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Finding the Fourth Proportional to 261,798.32, 392,600.57 and 93,273.97

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Solution

The fourth proportional to 261,798.32, 392,600.57 and 93,273.97 is: 139,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,798.32 : 392,600.57 = 93,273.97 : x
  2. Step 2: Convert to fraction form
    261,798.32/392,600.57 = 93,273.97/x
  3. Step 3: Cross multiply
    261,798.32x = 392,600.57 × 93,273.97
  4. Step 4: Simplify right side
    261,798.32x = 36,619,411,825.16
  5. Step 5: Solve for x
    x = 36,619,411,825.16/261,798.32
  6. Step 6: Final answer
    x = 139,876.42

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1.5x scale

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.