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Finding the Fourth Proportional to 157,245.60, 235,522.80 and 94,807.20

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Solution

The fourth proportional to 157,245.60, 235,522.80 and 94,807.20 is: 142,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,245.60 : 235,522.80 = 94,807.20 : x
  2. Step 2: Convert to fraction form
    157,245.60/235,522.80 = 94,807.20/x
  3. Step 3: Cross multiply
    157,245.60x = 235,522.80 × 94,807.20
  4. Step 4: Simplify right side
    157,245.60x = 22,329,257,204.16
  5. Step 5: Solve for x
    x = 22,329,257,204.16/157,245.60
  6. Step 6: Final answer
    x = 142,002.43

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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.