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Finding the Fourth Proportional to 94,574.92, 130,513.80 and 52,132.54

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Solution

The fourth proportional to 94,574.92, 130,513.80 and 52,132.54 is: 71,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,574.92 : 130,513.80 = 52,132.54 : x
  2. Step 2: Convert to fraction form
    94,574.92/130,513.80 = 52,132.54/x
  3. Step 3: Cross multiply
    94,574.92x = 130,513.80 × 52,132.54
  4. Step 4: Simplify right side
    94,574.92x = 6,804,015,899.05
  5. Step 5: Solve for x
    x = 6,804,015,899.05/94,574.92
  6. Step 6: Final answer
    x = 71,943.13

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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.