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Finding the Fourth Proportional to 101,555.92, 140,144.16 and 56,232.28

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Solution

The fourth proportional to 101,555.92, 140,144.16 and 56,232.28 is: 77,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,555.92 : 140,144.16 = 56,232.28 : x
  2. Step 2: Convert to fraction form
    101,555.92/140,144.16 = 56,232.28/x
  3. Step 3: Cross multiply
    101,555.92x = 140,144.16 × 56,232.28
  4. Step 4: Simplify right side
    101,555.92x = 7,880,625,645.48
  5. Step 5: Solve for x
    x = 7,880,625,645.48/101,555.92
  6. Step 6: Final answer
    x = 77,598.88

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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.