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Finding the Fourth Proportional to 72,233.66, 99,474.54 and 59,541.78

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Solution

The fourth proportional to 72,233.66, 99,474.54 and 59,541.78 is: 81,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,233.66 : 99,474.54 = 59,541.78 : x
  2. Step 2: Convert to fraction form
    72,233.66/99,474.54 = 59,541.78/x
  3. Step 3: Cross multiply
    72,233.66x = 99,474.54 × 59,541.78
  4. Step 4: Simplify right side
    72,233.66x = 5,922,891,176.28
  5. Step 5: Solve for x
    x = 5,922,891,176.28/72,233.66
  6. Step 6: Final answer
    x = 81,996.28

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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.