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Finding the Fourth Proportional to 83,472.55, 115,192.55 and 45,232.11

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Solution

The fourth proportional to 83,472.55, 115,192.55 and 45,232.11 is: 62,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,472.55 : 115,192.55 = 45,232.11 : x
  2. Step 2: Convert to fraction form
    83,472.55/115,192.55 = 45,232.11/x
  3. Step 3: Cross multiply
    83,472.55x = 115,192.55 × 45,232.11
  4. Step 4: Simplify right side
    83,472.55x = 5,210,402,205.86
  5. Step 5: Solve for x
    x = 5,210,402,205.86/83,472.55
  6. Step 6: Final answer
    x = 62,420.55

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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.