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Finding the Fourth Proportional to 104,695.92, 144,432.72 and 62,230.32

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Solution

The fourth proportional to 104,695.92, 144,432.72 and 62,230.32 is: 85,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,695.92 : 144,432.72 = 62,230.32 : x
  2. Step 2: Convert to fraction form
    104,695.92/144,432.72 = 62,230.32/x
  3. Step 3: Cross multiply
    104,695.92x = 144,432.72 × 62,230.32
  4. Step 4: Simplify right side
    104,695.92x = 8,988,094,384.07
  5. Step 5: Solve for x
    x = 8,988,094,384.07/104,695.92
  6. Step 6: Final answer
    x = 85,849.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.