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Finding the Fourth Proportional to 249,132.80, 373,472.40 and 91,323.20

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Solution

The fourth proportional to 249,132.80, 373,472.40 and 91,323.20 is: 136,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,132.80 : 373,472.40 = 91,323.20 : x
  2. Step 2: Convert to fraction form
    249,132.80/373,472.40 = 91,323.20/x
  3. Step 3: Cross multiply
    249,132.80x = 373,472.40 × 91,323.20
  4. Step 4: Simplify right side
    249,132.80x = 34,106,694,679.68
  5. Step 5: Solve for x
    x = 34,106,694,679.68/249,132.80
  6. Step 6: Final answer
    x = 136,901.66

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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.