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Finding the Fourth Proportional to 108,253.67, 149,379.80 and 60,505.92

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Solution

The fourth proportional to 108,253.67, 149,379.80 and 60,505.92 is: 83,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,253.67 : 149,379.80 = 60,505.92 : x
  2. Step 2: Convert to fraction form
    108,253.67/149,379.80 = 60,505.92/x
  3. Step 3: Cross multiply
    108,253.67x = 149,379.80 × 60,505.92
  4. Step 4: Simplify right side
    108,253.67x = 9,038,361,925.89
  5. Step 5: Solve for x
    x = 9,038,361,925.89/108,253.67
  6. Step 6: Final answer
    x = 83,492.43

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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.