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Finding the Fourth Proportional to 249,794.37, 344,695.39 and 140,892.71

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Solution

The fourth proportional to 249,794.37, 344,695.39 and 140,892.71 is: 194,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,794.37 : 344,695.39 = 140,892.71 : x
  2. Step 2: Convert to fraction form
    249,794.37/344,695.39 = 140,892.71/x
  3. Step 3: Cross multiply
    249,794.37x = 344,695.39 × 140,892.71
  4. Step 4: Simplify right side
    249,794.37x = 48,565,065,545.90
  5. Step 5: Solve for x
    x = 48,565,065,545.90/249,794.37
  6. Step 6: Final answer
    x = 194,420.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.