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Finding the Fourth Proportional to 156,697.60, 234,700.80 and 94,259.20

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Solution

The fourth proportional to 156,697.60, 234,700.80 and 94,259.20 is: 141,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,697.60 : 234,700.80 = 94,259.20 : x
  2. Step 2: Convert to fraction form
    156,697.60/234,700.80 = 94,259.20/x
  3. Step 3: Cross multiply
    156,697.60x = 234,700.80 × 94,259.20
  4. Step 4: Simplify right side
    156,697.60x = 22,122,709,647.36
  5. Step 5: Solve for x
    x = 22,122,709,647.36/156,697.60
  6. Step 6: Final answer
    x = 141,180.91

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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.