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Finding the Fourth Proportional to 249,952.76, 344,934.80 and 136,775.52

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Solution

The fourth proportional to 249,952.76, 344,934.80 and 136,775.52 is: 188,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,952.76 : 344,934.80 = 136,775.52 : x
  2. Step 2: Convert to fraction form
    249,952.76/344,934.80 = 136,775.52/x
  3. Step 3: Cross multiply
    249,952.76x = 344,934.80 × 136,775.52
  4. Step 4: Simplify right side
    249,952.76x = 47,178,636,636.10
  5. Step 5: Solve for x
    x = 47,178,636,636.10/249,952.76
  6. Step 6: Final answer
    x = 188,750.21

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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.