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Finding the Fourth Proportional to 249,245.74, 373,812.72 and 71,713.18

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Solution

The fourth proportional to 249,245.74, 373,812.72 and 71,713.18 is: 107,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,245.74 : 373,812.72 = 71,713.18 : x
  2. Step 2: Convert to fraction form
    249,245.74/373,812.72 = 71,713.18/x
  3. Step 3: Cross multiply
    249,245.74x = 373,812.72 × 71,713.18
  4. Step 4: Simplify right side
    249,245.74x = 26,807,298,875.65
  5. Step 5: Solve for x
    x = 26,807,298,875.65/249,245.74
  6. Step 6: Final answer
    x = 107,553.69

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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.