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Finding the Fourth Proportional to 95,312.97, 142,970.49 and 28,753.68

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Solution

The fourth proportional to 95,312.97, 142,970.49 and 28,753.68 is: 43,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,312.97 : 142,970.49 = 28,753.68 : x
  2. Step 2: Convert to fraction form
    95,312.97/142,970.49 = 28,753.68/x
  3. Step 3: Cross multiply
    95,312.97x = 142,970.49 × 28,753.68
  4. Step 4: Simplify right side
    95,312.97x = 4,110,927,718.90
  5. Step 5: Solve for x
    x = 4,110,927,718.90/95,312.97
  6. Step 6: Final answer
    x = 43,130.83

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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.