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Finding the Fourth Proportional to 166,348.58, 249,691.08 and 147,493.94

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Solution

The fourth proportional to 166,348.58, 249,691.08 and 147,493.94 is: 221,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,348.58 : 249,691.08 = 147,493.94 : x
  2. Step 2: Convert to fraction form
    166,348.58/249,691.08 = 147,493.94/x
  3. Step 3: Cross multiply
    166,348.58x = 249,691.08 × 147,493.94
  4. Step 4: Simplify right side
    166,348.58x = 36,827,921,172.06
  5. Step 5: Solve for x
    x = 36,827,921,172.06/166,348.58
  6. Step 6: Final answer
    x = 221,390.05

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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.