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Finding the Fourth Proportional to 249,286.86, 373,920.48 and 83,074.86

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Solution

The fourth proportional to 249,286.86, 373,920.48 and 83,074.86 is: 124,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,286.86 : 373,920.48 = 83,074.86 : x
  2. Step 2: Convert to fraction form
    249,286.86/373,920.48 = 83,074.86/x
  3. Step 3: Cross multiply
    249,286.86x = 373,920.48 × 83,074.86
  4. Step 4: Simplify right side
    249,286.86x = 31,063,391,527.13
  5. Step 5: Solve for x
    x = 31,063,391,527.13/249,286.86
  6. Step 6: Final answer
    x = 124,609.02

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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.