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Finding the Fourth Proportional to 166,159.80, 249,239.70 and 132,334.20

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Solution

The fourth proportional to 166,159.80, 249,239.70 and 132,334.20 is: 198,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,159.80 : 249,239.70 = 132,334.20 : x
  2. Step 2: Convert to fraction form
    166,159.80/249,239.70 = 132,334.20/x
  3. Step 3: Cross multiply
    166,159.80x = 249,239.70 × 132,334.20
  4. Step 4: Simplify right side
    166,159.80x = 32,982,936,307.74
  5. Step 5: Solve for x
    x = 32,982,936,307.74/166,159.80
  6. Step 6: Final answer
    x = 198,501.30

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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.