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Finding the Fourth Proportional to 99,595.92, 137,440.56 and 54,274.28

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Solution

The fourth proportional to 99,595.92, 137,440.56 and 54,274.28 is: 74,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,595.92 : 137,440.56 = 54,274.28 : x
  2. Step 2: Convert to fraction form
    99,595.92/137,440.56 = 54,274.28/x
  3. Step 3: Cross multiply
    99,595.92x = 137,440.56 × 54,274.28
  4. Step 4: Simplify right side
    99,595.92x = 7,459,487,436.80
  5. Step 5: Solve for x
    x = 7,459,487,436.80/99,595.92
  6. Step 6: Final answer
    x = 74,897.52

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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.