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Finding the Fourth Proportional to 249,658.58, 374,490.62 and 72,167.13

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Solution

The fourth proportional to 249,658.58, 374,490.62 and 72,167.13 is: 108,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,658.58 : 374,490.62 = 72,167.13 : x
  2. Step 2: Convert to fraction form
    249,658.58/374,490.62 = 72,167.13/x
  3. Step 3: Cross multiply
    249,658.58x = 374,490.62 × 72,167.13
  4. Step 4: Simplify right side
    249,658.58x = 27,025,913,167.11
  5. Step 5: Solve for x
    x = 27,025,913,167.11/249,658.58
  6. Step 6: Final answer
    x = 108,251.49

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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.