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Finding the Fourth Proportional to 102,575.91, 141,554.92 and 57,253.89

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Solution

The fourth proportional to 102,575.91, 141,554.92 and 57,253.89 is: 79,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,575.91 : 141,554.92 = 57,253.89 : x
  2. Step 2: Convert to fraction form
    102,575.91/141,554.92 = 57,253.89/x
  3. Step 3: Cross multiply
    102,575.91x = 141,554.92 × 57,253.89
  4. Step 4: Simplify right side
    102,575.91x = 8,104,569,818.64
  5. Step 5: Solve for x
    x = 8,104,569,818.64/102,575.91
  6. Step 6: Final answer
    x = 79,010.46

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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.