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Finding the Fourth Proportional to 88,333.98, 121,889.80 and 59,715.89

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Solution

The fourth proportional to 88,333.98, 121,889.80 and 59,715.89 is: 82,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,333.98 : 121,889.80 = 59,715.89 : x
  2. Step 2: Convert to fraction form
    88,333.98/121,889.80 = 59,715.89/x
  3. Step 3: Cross multiply
    88,333.98x = 121,889.80 × 59,715.89
  4. Step 4: Simplify right side
    88,333.98x = 7,278,757,590.34
  5. Step 5: Solve for x
    x = 7,278,757,590.34/88,333.98
  6. Step 6: Final answer
    x = 82,400.43

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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.