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Finding the Fourth Proportional to 94,693.60, 142,040.40 and 59,672.80

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Solution

The fourth proportional to 94,693.60, 142,040.40 and 59,672.80 is: 89,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,693.60 : 142,040.40 = 59,672.80 : x
  2. Step 2: Convert to fraction form
    94,693.60/142,040.40 = 59,672.80/x
  3. Step 3: Cross multiply
    94,693.60x = 142,040.40 × 59,672.80
  4. Step 4: Simplify right side
    94,693.60x = 8,475,948,381.12
  5. Step 5: Solve for x
    x = 8,475,948,381.12/94,693.60
  6. Step 6: Final answer
    x = 89,509.20

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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.