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Finding the Fourth Proportional to 124,442.60, 186,663.02 and 35,696.20

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Solution

The fourth proportional to 124,442.60, 186,663.02 and 35,696.20 is: 53,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,442.60 : 186,663.02 = 35,696.20 : x
  2. Step 2: Convert to fraction form
    124,442.60/186,663.02 = 35,696.20/x
  3. Step 3: Cross multiply
    124,442.60x = 186,663.02 × 35,696.20
  4. Step 4: Simplify right side
    124,442.60x = 6,663,160,494.52
  5. Step 5: Solve for x
    x = 6,663,160,494.52/124,442.60
  6. Step 6: Final answer
    x = 53,544.05

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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.