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Finding the Fourth Proportional to 249,502.30, 344,312.88 and 134,780.92

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Solution

The fourth proportional to 249,502.30, 344,312.88 and 134,780.92 is: 185,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,502.30 : 344,312.88 = 134,780.92 : x
  2. Step 2: Convert to fraction form
    249,502.30/344,312.88 = 134,780.92/x
  3. Step 3: Cross multiply
    249,502.30x = 344,312.88 × 134,780.92
  4. Step 4: Simplify right side
    249,502.30x = 46,406,806,734.25
  5. Step 5: Solve for x
    x = 46,406,806,734.25/249,502.30
  6. Step 6: Final answer
    x = 185,997.51

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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.