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Finding the Fourth Proportional to 249,663.52, 374,485.56 and 137,566

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Solution

The fourth proportional to 249,663.52, 374,485.56 and 137,566 is: 206,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,663.52 : 374,485.56 = 137,566 : x
  2. Step 2: Convert to fraction form
    249,663.52/374,485.56 = 137,566/x
  3. Step 3: Cross multiply
    249,663.52x = 374,485.56 × 137,566
  4. Step 4: Simplify right side
    249,663.52x = 51,516,480,546.96
  5. Step 5: Solve for x
    x = 51,516,480,546.96/249,663.52
  6. Step 6: Final answer
    x = 206,343.64

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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.