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Finding the Fourth Proportional to 166,167.68, 249,332.84 and 102,970.89

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Solution

The fourth proportional to 166,167.68, 249,332.84 and 102,970.89 is: 154,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,167.68 : 249,332.84 = 102,970.89 : x
  2. Step 2: Convert to fraction form
    166,167.68/249,332.84 = 102,970.89/x
  3. Step 3: Cross multiply
    166,167.68x = 249,332.84 × 102,970.89
  4. Step 4: Simplify right side
    166,167.68x = 25,674,023,926.17
  5. Step 5: Solve for x
    x = 25,674,023,926.17/166,167.68
  6. Step 6: Final answer
    x = 154,506.73

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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.