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Finding the Fourth Proportional to 249,055.76, 373,543.45 and 71,522.39

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Solution

The fourth proportional to 249,055.76, 373,543.45 and 71,522.39 is: 107,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,055.76 : 373,543.45 = 71,522.39 : x
  2. Step 2: Convert to fraction form
    249,055.76/373,543.45 = 71,522.39/x
  3. Step 3: Cross multiply
    249,055.76x = 373,543.45 × 71,522.39
  4. Step 4: Simplify right side
    249,055.76x = 26,716,721,067.90
  5. Step 5: Solve for x
    x = 26,716,721,067.90/249,055.76
  6. Step 6: Final answer
    x = 107,272.05

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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.