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Finding the Fourth Proportional to 94,508.98, 130,417.05 and 54,218.97

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Solution

The fourth proportional to 94,508.98, 130,417.05 and 54,218.97 is: 74,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,508.98 : 130,417.05 = 54,218.97 : x
  2. Step 2: Convert to fraction form
    94,508.98/130,417.05 = 54,218.97/x
  3. Step 3: Cross multiply
    94,508.98x = 130,417.05 × 54,218.97
  4. Step 4: Simplify right side
    94,508.98x = 7,071,078,324.76
  5. Step 5: Solve for x
    x = 7,071,078,324.76/94,508.98
  6. Step 6: Final answer
    x = 74,819.12

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1.5x scale

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.