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Finding the Fourth Proportional to 249,689.89, 344,575.49 and 147,712.73

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Solution

The fourth proportional to 249,689.89, 344,575.49 and 147,712.73 is: 203,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,689.89 : 344,575.49 = 147,712.73 : x
  2. Step 2: Convert to fraction form
    249,689.89/344,575.49 = 147,712.73/x
  3. Step 3: Cross multiply
    249,689.89x = 344,575.49 × 147,712.73
  4. Step 4: Simplify right side
    249,689.89x = 50,898,186,318.99
  5. Step 5: Solve for x
    x = 50,898,186,318.99/249,689.89
  6. Step 6: Final answer
    x = 203,845.60

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1.5x scale

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.