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Finding the Fourth Proportional to 109,633.89, 151,294.79 and 59,332.89

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Solution

The fourth proportional to 109,633.89, 151,294.79 and 59,332.89 is: 81,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,633.89 : 151,294.79 = 59,332.89 : x
  2. Step 2: Convert to fraction form
    109,633.89/151,294.79 = 59,332.89/x
  3. Step 3: Cross multiply
    109,633.89x = 151,294.79 × 59,332.89
  4. Step 4: Simplify right side
    109,633.89x = 8,976,756,835.98
  5. Step 5: Solve for x
    x = 8,976,756,835.98/109,633.89
  6. Step 6: Final answer
    x = 81,879.40

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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.