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Finding the Fourth Proportional to 92,258.92, 127,338.66 and 54,036.52

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Solution

The fourth proportional to 92,258.92, 127,338.66 and 54,036.52 is: 74,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,258.92 : 127,338.66 = 54,036.52 : x
  2. Step 2: Convert to fraction form
    92,258.92/127,338.66 = 54,036.52/x
  3. Step 3: Cross multiply
    92,258.92x = 127,338.66 × 54,036.52
  4. Step 4: Simplify right side
    92,258.92x = 6,880,938,047.86
  5. Step 5: Solve for x
    x = 6,880,938,047.86/92,258.92
  6. Step 6: Final answer
    x = 74,582.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.