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Finding the Fourth Proportional to 249,302.92, 344,036.66 and 136,124.86

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Solution

The fourth proportional to 249,302.92, 344,036.66 and 136,124.86 is: 187,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,302.92 : 344,036.66 = 136,124.86 : x
  2. Step 2: Convert to fraction form
    249,302.92/344,036.66 = 136,124.86/x
  3. Step 3: Cross multiply
    249,302.92x = 344,036.66 × 136,124.86
  4. Step 4: Simplify right side
    249,302.92x = 46,831,942,177.37
  5. Step 5: Solve for x
    x = 46,831,942,177.37/249,302.92
  6. Step 6: Final answer
    x = 187,851.56

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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.