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Finding the Fourth Proportional to 249,762.66, 344,672.28 and 136,585.38

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Solution

The fourth proportional to 249,762.66, 344,672.28 and 136,585.38 is: 188,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,762.66 : 344,672.28 = 136,585.38 : x
  2. Step 2: Convert to fraction form
    249,762.66/344,672.28 = 136,585.38/x
  3. Step 3: Cross multiply
    249,762.66x = 344,672.28 × 136,585.38
  4. Step 4: Simplify right side
    249,762.66x = 47,077,194,339.27
  5. Step 5: Solve for x
    x = 47,077,194,339.27/249,762.66
  6. Step 6: Final answer
    x = 188,487.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.