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Finding the Fourth Proportional to 180,658.55, 249,343.70 and 104,227.02

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Solution

The fourth proportional to 180,658.55, 249,343.70 and 104,227.02 is: 143,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,658.55 : 249,343.70 = 104,227.02 : x
  2. Step 2: Convert to fraction form
    180,658.55/249,343.70 = 104,227.02/x
  3. Step 3: Cross multiply
    180,658.55x = 249,343.70 × 104,227.02
  4. Step 4: Simplify right side
    180,658.55x = 25,988,350,285.64
  5. Step 5: Solve for x
    x = 25,988,350,285.64/180,658.55
  6. Step 6: Final answer
    x = 143,853.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.