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Finding the Fourth Proportional to 249,101.55, 373,714.91 and 71,608.88

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Solution

The fourth proportional to 249,101.55, 373,714.91 and 71,608.88 is: 107,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,101.55 : 373,714.91 = 71,608.88 : x
  2. Step 2: Convert to fraction form
    249,101.55/373,714.91 = 71,608.88/x
  3. Step 3: Cross multiply
    249,101.55x = 373,714.91 × 71,608.88
  4. Step 4: Simplify right side
    249,101.55x = 26,761,303,917.78
  5. Step 5: Solve for x
    x = 26,761,303,917.78/249,101.55
  6. Step 6: Final answer
    x = 107,431.30

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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.