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Finding the Fourth Proportional to 158,813,551.80, 237,716,442.90 and 158,813,551.80

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Solution

The fourth proportional to 158,813,551.80, 237,716,442.90 and 158,813,551.80 is: 237,716,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,813,551.80 : 237,716,442.90 = 158,813,551.80 : x
  2. Step 2: Convert to fraction form
    158,813,551.80/237,716,442.90 = 158,813,551.80/x
  3. Step 3: Cross multiply
    158,813,551.80x = 237,716,442.90 × 158,813,551.80
  4. Step 4: Simplify right side
    158,813,551.80x = 37,752,592,618,210,896
  5. Step 5: Solve for x
    x = 37,752,592,618,210,896/158,813,551.80
  6. Step 6: Final answer
    x = 237,716,442.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.