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Finding the Fourth Proportional to 108,002.59, 149,036.59 and 59,604.95

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Solution

The fourth proportional to 108,002.59, 149,036.59 and 59,604.95 is: 82,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.59 : 149,036.59 = 59,604.95 : x
  2. Step 2: Convert to fraction form
    108,002.59/149,036.59 = 59,604.95/x
  3. Step 3: Cross multiply
    108,002.59x = 149,036.59 × 59,604.95
  4. Step 4: Simplify right side
    108,002.59x = 8,883,318,495.12
  5. Step 5: Solve for x
    x = 8,883,318,495.12/108,002.59
  6. Step 6: Final answer
    x = 82,250.98

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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.