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Finding the Fourth Proportional to 357,000.64, 535,159.44 and 132,300.72

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Solution

The fourth proportional to 357,000.64, 535,159.44 and 132,300.72 is: 198,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,000.64 : 535,159.44 = 132,300.72 : x
  2. Step 2: Convert to fraction form
    357,000.64/535,159.44 = 132,300.72/x
  3. Step 3: Cross multiply
    357,000.64x = 535,159.44 × 132,300.72
  4. Step 4: Simplify right side
    357,000.64x = 70,801,979,226.80
  5. Step 5: Solve for x
    x = 70,801,979,226.80/357,000.64
  6. Step 6: Final answer
    x = 198,324.52

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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.