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Finding the Fourth Proportional to 124,292.44, 186,366.66 and 84,897.16

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Solution

The fourth proportional to 124,292.44, 186,366.66 and 84,897.16 is: 127,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,292.44 : 186,366.66 = 84,897.16 : x
  2. Step 2: Convert to fraction form
    124,292.44/186,366.66 = 84,897.16/x
  3. Step 3: Cross multiply
    124,292.44x = 186,366.66 × 84,897.16
  4. Step 4: Simplify right side
    124,292.44x = 15,822,000,152.69
  5. Step 5: Solve for x
    x = 15,822,000,152.69/124,292.44
  6. Step 6: Final answer
    x = 127,296.56

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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.