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Finding the Fourth Proportional to 249,868.26, 374,802.38 and 72,375.32

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Solution

The fourth proportional to 249,868.26, 374,802.38 and 72,375.32 is: 108,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,868.26 : 374,802.38 = 72,375.32 : x
  2. Step 2: Convert to fraction form
    249,868.26/374,802.38 = 72,375.32/x
  3. Step 3: Cross multiply
    249,868.26x = 374,802.38 × 72,375.32
  4. Step 4: Simplify right side
    249,868.26x = 27,126,442,189.26
  5. Step 5: Solve for x
    x = 27,126,442,189.26/249,868.26
  6. Step 6: Final answer
    x = 108,562.98

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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.