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Finding the Fourth Proportional to 124,552.78, 186,794.57 and 34,574.81

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Solution

The fourth proportional to 124,552.78, 186,794.57 and 34,574.81 is: 51,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,552.78 : 186,794.57 = 34,574.81 : x
  2. Step 2: Convert to fraction form
    124,552.78/186,794.57 = 34,574.81/x
  3. Step 3: Cross multiply
    124,552.78x = 186,794.57 × 34,574.81
  4. Step 4: Simplify right side
    124,552.78x = 6,458,385,919.25
  5. Step 5: Solve for x
    x = 6,458,385,919.25/124,552.78
  6. Step 6: Final answer
    x = 51,852.60

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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.