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Finding the Fourth Proportional to 94,398.28, 130,264.68 and 51,948.62

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Solution

The fourth proportional to 94,398.28, 130,264.68 and 51,948.62 is: 71,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,398.28 : 130,264.68 = 51,948.62 : x
  2. Step 2: Convert to fraction form
    94,398.28/130,264.68 = 51,948.62/x
  3. Step 3: Cross multiply
    94,398.28x = 130,264.68 × 51,948.62
  4. Step 4: Simplify right side
    94,398.28x = 6,767,070,360.74
  5. Step 5: Solve for x
    x = 6,767,070,360.74/94,398.28
  6. Step 6: Final answer
    x = 71,686.37

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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.