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Finding the Fourth Proportional to 249,103.53, 373,717.88 and 71,610.86

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Solution

The fourth proportional to 249,103.53, 373,717.88 and 71,610.86 is: 107,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,103.53 : 373,717.88 = 71,610.86 : x
  2. Step 2: Convert to fraction form
    249,103.53/373,717.88 = 71,610.86/x
  3. Step 3: Cross multiply
    249,103.53x = 373,717.88 × 71,610.86
  4. Step 4: Simplify right side
    249,103.53x = 26,762,258,784.18
  5. Step 5: Solve for x
    x = 26,762,258,784.18/249,103.53
  6. Step 6: Final answer
    x = 107,434.28

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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.