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Finding the Fourth Proportional to 249,052, 343,691.84 and 159,628

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Solution

The fourth proportional to 249,052, 343,691.84 and 159,628 is: 220,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,052 : 343,691.84 = 159,628 : x
  2. Step 2: Convert to fraction form
    249,052/343,691.84 = 159,628/x
  3. Step 3: Cross multiply
    249,052x = 343,691.84 × 159,628
  4. Step 4: Simplify right side
    249,052x = 54,862,841,035.52
  5. Step 5: Solve for x
    x = 54,862,841,035.52/249,052
  6. Step 6: Final answer
    x = 220,286.69

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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.