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Finding the Fourth Proportional to 72,083.40, 108,125.10 and 58,950.60

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Solution

The fourth proportional to 72,083.40, 108,125.10 and 58,950.60 is: 88,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,083.40 : 108,125.10 = 58,950.60 : x
  2. Step 2: Convert to fraction form
    72,083.40/108,125.10 = 58,950.60/x
  3. Step 3: Cross multiply
    72,083.40x = 108,125.10 × 58,950.60
  4. Step 4: Simplify right side
    72,083.40x = 6,374,039,520.06
  5. Step 5: Solve for x
    x = 6,374,039,520.06/72,083.40
  6. Step 6: Final answer
    x = 88,425.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.