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Finding the Fourth Proportional to 186,776.10, 280,127.70 and 62,117.10

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Solution

The fourth proportional to 186,776.10, 280,127.70 and 62,117.10 is: 93,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,776.10 : 280,127.70 = 62,117.10 : x
  2. Step 2: Convert to fraction form
    186,776.10/280,127.70 = 62,117.10/x
  3. Step 3: Cross multiply
    186,776.10x = 280,127.70 × 62,117.10
  4. Step 4: Simplify right side
    186,776.10x = 17,400,720,353.67
  5. Step 5: Solve for x
    x = 17,400,720,353.67/186,776.10
  6. Step 6: Final answer
    x = 93,163.53

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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.