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Finding the Fourth Proportional to 239,218.96, 358,560.24 and 97,031.20

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Solution

The fourth proportional to 239,218.96, 358,560.24 and 97,031.20 is: 145,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,218.96 : 358,560.24 = 97,031.20 : x
  2. Step 2: Convert to fraction form
    239,218.96/358,560.24 = 97,031.20/x
  3. Step 3: Cross multiply
    239,218.96x = 358,560.24 × 97,031.20
  4. Step 4: Simplify right side
    239,218.96x = 34,791,530,359.49
  5. Step 5: Solve for x
    x = 34,791,530,359.49/239,218.96
  6. Step 6: Final answer
    x = 145,438.01

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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.