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Finding the Fourth Proportional to 72,233.48, 99,475.50 and 67,733.08

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Solution

The fourth proportional to 72,233.48, 99,475.50 and 67,733.08 is: 93,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,233.48 : 99,475.50 = 67,733.08 : x
  2. Step 2: Convert to fraction form
    72,233.48/99,475.50 = 67,733.08/x
  3. Step 3: Cross multiply
    72,233.48x = 99,475.50 × 67,733.08
  4. Step 4: Simplify right side
    72,233.48x = 6,737,781,999.54
  5. Step 5: Solve for x
    x = 6,737,781,999.54/72,233.48
  6. Step 6: Final answer
    x = 93,277.83

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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.