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Finding the Fourth Proportional to 249,957.08, 375,023.10 and 72,474.74

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Solution

The fourth proportional to 249,957.08, 375,023.10 and 72,474.74 is: 108,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,957.08 : 375,023.10 = 72,474.74 : x
  2. Step 2: Convert to fraction form
    249,957.08/375,023.10 = 72,474.74/x
  3. Step 3: Cross multiply
    249,957.08x = 375,023.10 × 72,474.74
  4. Step 4: Simplify right side
    249,957.08x = 27,179,699,791.38
  5. Step 5: Solve for x
    x = 27,179,699,791.38/249,957.08
  6. Step 6: Final answer
    x = 108,737.47

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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.