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Finding the Fourth Proportional to 166,353.70, 249,530.55 and 91,444.90

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Solution

The fourth proportional to 166,353.70, 249,530.55 and 91,444.90 is: 137,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,353.70 : 249,530.55 = 91,444.90 : x
  2. Step 2: Convert to fraction form
    166,353.70/249,530.55 = 91,444.90/x
  3. Step 3: Cross multiply
    166,353.70x = 249,530.55 × 91,444.90
  4. Step 4: Simplify right side
    166,353.70x = 22,818,296,191.70
  5. Step 5: Solve for x
    x = 22,818,296,191.70/166,353.70
  6. Step 6: Final answer
    x = 137,167.35

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1.5x scale

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.