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Finding the Fourth Proportional to 124,152.92, 186,303.60 and 57,616.08

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Solution

The fourth proportional to 124,152.92, 186,303.60 and 57,616.08 is: 86,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,152.92 : 186,303.60 = 57,616.08 : x
  2. Step 2: Convert to fraction form
    124,152.92/186,303.60 = 57,616.08/x
  3. Step 3: Cross multiply
    124,152.92x = 186,303.60 × 57,616.08
  4. Step 4: Simplify right side
    124,152.92x = 10,734,083,121.89
  5. Step 5: Solve for x
    x = 10,734,083,121.89/124,152.92
  6. Step 6: Final answer
    x = 86,458.56

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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.