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Finding the Fourth Proportional to 249,988.52, 374,866.12 and 144,837.56

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Solution

The fourth proportional to 249,988.52, 374,866.12 and 144,837.56 is: 217,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,988.52 : 374,866.12 = 144,837.56 : x
  2. Step 2: Convert to fraction form
    249,988.52/374,866.12 = 144,837.56/x
  3. Step 3: Cross multiply
    249,988.52x = 374,866.12 × 144,837.56
  4. Step 4: Simplify right side
    249,988.52x = 54,294,694,147.47
  5. Step 5: Solve for x
    x = 54,294,694,147.47/249,988.52
  6. Step 6: Final answer
    x = 217,188.75

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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.