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Finding the Fourth Proportional to 249,879.80, 375,001.16 and 98,098.76

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Solution

The fourth proportional to 249,879.80, 375,001.16 and 98,098.76 is: 147,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,879.80 : 375,001.16 = 98,098.76 : x
  2. Step 2: Convert to fraction form
    249,879.80/375,001.16 = 98,098.76/x
  3. Step 3: Cross multiply
    249,879.80x = 375,001.16 × 98,098.76
  4. Step 4: Simplify right side
    249,879.80x = 36,787,148,794.56
  5. Step 5: Solve for x
    x = 36,787,148,794.56/249,879.80
  6. Step 6: Final answer
    x = 147,219.38

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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.