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Finding the Fourth Proportional to 249,246.01, 343,957.73 and 136,068.76

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Solution

The fourth proportional to 249,246.01, 343,957.73 and 136,068.76 is: 187,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,246.01 : 343,957.73 = 136,068.76 : x
  2. Step 2: Convert to fraction form
    249,246.01/343,957.73 = 136,068.76/x
  3. Step 3: Cross multiply
    249,246.01x = 343,957.73 × 136,068.76
  4. Step 4: Simplify right side
    249,246.01x = 46,801,900,093.73
  5. Step 5: Solve for x
    x = 46,801,900,093.73/249,246.01
  6. Step 6: Final answer
    x = 187,773.92

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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.