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Finding the Fourth Proportional to 106,800.77, 147,363.72 and 59,044.88

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Solution

The fourth proportional to 106,800.77, 147,363.72 and 59,044.88 is: 81,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,800.77 : 147,363.72 = 59,044.88 : x
  2. Step 2: Convert to fraction form
    106,800.77/147,363.72 = 59,044.88/x
  3. Step 3: Cross multiply
    106,800.77x = 147,363.72 × 59,044.88
  4. Step 4: Simplify right side
    106,800.77x = 8,701,072,426.94
  5. Step 5: Solve for x
    x = 8,701,072,426.94/106,800.77
  6. Step 6: Final answer
    x = 81,470.13

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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.