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Finding the Fourth Proportional to 166,444.68, 249,660.54 and 91,713

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Solution

The fourth proportional to 166,444.68, 249,660.54 and 91,713 is: 137,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,444.68 : 249,660.54 = 91,713 : x
  2. Step 2: Convert to fraction form
    166,444.68/249,660.54 = 91,713/x
  3. Step 3: Cross multiply
    166,444.68x = 249,660.54 × 91,713
  4. Step 4: Simplify right side
    166,444.68x = 22,897,117,105.02
  5. Step 5: Solve for x
    x = 22,897,117,105.02/166,444.68
  6. Step 6: Final answer
    x = 137,565.93

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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.