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Finding the Fourth Proportional to 157,425.60, 236,138.40 and 148,896.30

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Solution

The fourth proportional to 157,425.60, 236,138.40 and 148,896.30 is: 223,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,425.60 : 236,138.40 = 148,896.30 : x
  2. Step 2: Convert to fraction form
    157,425.60/236,138.40 = 148,896.30/x
  3. Step 3: Cross multiply
    157,425.60x = 236,138.40 × 148,896.30
  4. Step 4: Simplify right side
    157,425.60x = 35,160,134,047.92
  5. Step 5: Solve for x
    x = 35,160,134,047.92/157,425.60
  6. Step 6: Final answer
    x = 223,344.45

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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.