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Finding the Fourth Proportional to 93,991.68, 140,010.80 and 88,898.70

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Solution

The fourth proportional to 93,991.68, 140,010.80 and 88,898.70 is: 132,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,991.68 : 140,010.80 = 88,898.70 : x
  2. Step 2: Convert to fraction form
    93,991.68/140,010.80 = 88,898.70/x
  3. Step 3: Cross multiply
    93,991.68x = 140,010.80 × 88,898.70
  4. Step 4: Simplify right side
    93,991.68x = 12,446,777,661.47
  5. Step 5: Solve for x
    x = 12,446,777,661.47/93,991.68
  6. Step 6: Final answer
    x = 132,424.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.