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Finding the Fourth Proportional to 503,015.76, 754,598.66 and 166,092

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Solution

The fourth proportional to 503,015.76, 754,598.66 and 166,092 is: 249,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,015.76 : 754,598.66 = 166,092 : x
  2. Step 2: Convert to fraction form
    503,015.76/754,598.66 = 166,092/x
  3. Step 3: Cross multiply
    503,015.76x = 754,598.66 × 166,092
  4. Step 4: Simplify right side
    503,015.76x = 125,332,799,806.26
  5. Step 5: Solve for x
    x = 125,332,799,806.26/503,015.76
  6. Step 6: Final answer
    x = 249,162.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.