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Finding the Fourth Proportional to 249,248.58, 343,950.03 and 136,049.46

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Solution

The fourth proportional to 249,248.58, 343,950.03 and 136,049.46 is: 187,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,248.58 : 343,950.03 = 136,049.46 : x
  2. Step 2: Convert to fraction form
    249,248.58/343,950.03 = 136,049.46/x
  3. Step 3: Cross multiply
    249,248.58x = 343,950.03 × 136,049.46
  4. Step 4: Simplify right side
    249,248.58x = 46,794,215,848.48
  5. Step 5: Solve for x
    x = 46,794,215,848.48/249,248.58
  6. Step 6: Final answer
    x = 187,741.15

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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.