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Finding the Fourth Proportional to 158,465.16, 237,735 and 69,725.88

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Solution

The fourth proportional to 158,465.16, 237,735 and 69,725.88 is: 104,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,465.16 : 237,735 = 69,725.88 : x
  2. Step 2: Convert to fraction form
    158,465.16/237,735 = 69,725.88/x
  3. Step 3: Cross multiply
    158,465.16x = 237,735 × 69,725.88
  4. Step 4: Simplify right side
    158,465.16x = 16,576,282,081.80
  5. Step 5: Solve for x
    x = 16,576,282,081.80/158,465.16
  6. Step 6: Final answer
    x = 104,605.21

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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.