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Finding the Fourth Proportional to 249,103.55, 373,717.91 and 71,610.88

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Solution

The fourth proportional to 249,103.55, 373,717.91 and 71,610.88 is: 107,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,103.55 : 373,717.91 = 71,610.88 : x
  2. Step 2: Convert to fraction form
    249,103.55/373,717.91 = 71,610.88/x
  3. Step 3: Cross multiply
    249,103.55x = 373,717.91 × 71,610.88
  4. Step 4: Simplify right side
    249,103.55x = 26,762,268,406.86
  5. Step 5: Solve for x
    x = 26,762,268,406.86/249,103.55
  6. Step 6: Final answer
    x = 107,434.31

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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.