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Finding the Fourth Proportional to 186,762, 280,145.43 and 62,103

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Solution

The fourth proportional to 186,762, 280,145.43 and 62,103 is: 93,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,762 : 280,145.43 = 62,103 : x
  2. Step 2: Convert to fraction form
    186,762/280,145.43 = 62,103/x
  3. Step 3: Cross multiply
    186,762x = 280,145.43 × 62,103
  4. Step 4: Simplify right side
    186,762x = 17,397,871,639.29
  5. Step 5: Solve for x
    x = 17,397,871,639.29/186,762
  6. Step 6: Final answer
    x = 93,155.31

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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.