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Finding the Fourth Proportional to 166,570.52, 249,839.58 and 91,666.04

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Solution

The fourth proportional to 166,570.52, 249,839.58 and 91,666.04 is: 137,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,570.52 : 249,839.58 = 91,666.04 : x
  2. Step 2: Convert to fraction form
    166,570.52/249,839.58 = 91,666.04/x
  3. Step 3: Cross multiply
    166,570.52x = 249,839.58 × 91,666.04
  4. Step 4: Simplify right side
    166,570.52x = 22,901,804,933.86
  5. Step 5: Solve for x
    x = 22,901,804,933.86/166,570.52
  6. Step 6: Final answer
    x = 137,490.14

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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.