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Finding the Fourth Proportional to 94,454, 130,335.18 and 54,165.68

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Solution

The fourth proportional to 94,454, 130,335.18 and 54,165.68 is: 74,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,454 : 130,335.18 = 54,165.68 : x
  2. Step 2: Convert to fraction form
    94,454/130,335.18 = 54,165.68/x
  3. Step 3: Cross multiply
    94,454x = 130,335.18 × 54,165.68
  4. Step 4: Simplify right side
    94,454x = 7,059,693,652.62
  5. Step 5: Solve for x
    x = 7,059,693,652.62/94,454
  6. Step 6: Final answer
    x = 74,742.14

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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.