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Finding the Fourth Proportional to 145,436,702.10, 218,155,053.15 and 145,436,702.10

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Solution

The fourth proportional to 145,436,702.10, 218,155,053.15 and 145,436,702.10 is: 218,155,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,436,702.10 : 218,155,053.15 = 145,436,702.10 : x
  2. Step 2: Convert to fraction form
    145,436,702.10/218,155,053.15 = 145,436,702.10/x
  3. Step 3: Cross multiply
    145,436,702.10x = 218,155,053.15 × 145,436,702.10
  4. Step 4: Simplify right side
    145,436,702.10x = 31,727,751,476,586,216
  5. Step 5: Solve for x
    x = 31,727,751,476,586,216/145,436,702.10
  6. Step 6: Final answer
    x = 218,155,053.15

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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.