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Finding the Fourth Proportional to 104,717.78, 144,485.97 and 59,385.86

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Solution

The fourth proportional to 104,717.78, 144,485.97 and 59,385.86 is: 81,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,717.78 : 144,485.97 = 59,385.86 : x
  2. Step 2: Convert to fraction form
    104,717.78/144,485.97 = 59,385.86/x
  3. Step 3: Cross multiply
    104,717.78x = 144,485.97 × 59,385.86
  4. Step 4: Simplify right side
    104,717.78x = 8,580,423,586.38
  5. Step 5: Solve for x
    x = 8,580,423,586.38/104,717.78
  6. Step 6: Final answer
    x = 81,938.56

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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.