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Finding the Fourth Proportional to 102,700.67, 141,702.63 and 59,654.58

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Solution

The fourth proportional to 102,700.67, 141,702.63 and 59,654.58 is: 82,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,700.67 : 141,702.63 = 59,654.58 : x
  2. Step 2: Convert to fraction form
    102,700.67/141,702.63 = 59,654.58/x
  3. Step 3: Cross multiply
    102,700.67x = 141,702.63 × 59,654.58
  4. Step 4: Simplify right side
    102,700.67x = 8,453,211,408.93
  5. Step 5: Solve for x
    x = 8,453,211,408.93/102,700.67
  6. Step 6: Final answer
    x = 82,309.22

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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.