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Finding the Fourth Proportional to 94,534, 130,452.84 and 54,219.76

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Solution

The fourth proportional to 94,534, 130,452.84 and 54,219.76 is: 74,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,534 : 130,452.84 = 54,219.76 : x
  2. Step 2: Convert to fraction form
    94,534/130,452.84 = 54,219.76/x
  3. Step 3: Cross multiply
    94,534x = 130,452.84 × 54,219.76
  4. Step 4: Simplify right side
    94,534x = 7,073,121,676.12
  5. Step 5: Solve for x
    x = 7,073,121,676.12/94,534
  6. Step 6: Final answer
    x = 74,820.93

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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.