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Finding the Fourth Proportional to 94,120.80, 129,893.52 and 62,234.40

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Solution

The fourth proportional to 94,120.80, 129,893.52 and 62,234.40 is: 85,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,120.80 : 129,893.52 = 62,234.40 : x
  2. Step 2: Convert to fraction form
    94,120.80/129,893.52 = 62,234.40/x
  3. Step 3: Cross multiply
    94,120.80x = 129,893.52 × 62,234.40
  4. Step 4: Simplify right side
    94,120.80x = 8,083,845,281.09
  5. Step 5: Solve for x
    x = 8,083,845,281.09/94,120.80
  6. Step 6: Final answer
    x = 85,887.98

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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.