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Finding the Fourth Proportional to 61,105.51, 84,325.48 and 34,248.01

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Solution

The fourth proportional to 61,105.51, 84,325.48 and 34,248.01 is: 47,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,105.51 : 84,325.48 = 34,248.01 : x
  2. Step 2: Convert to fraction form
    61,105.51/84,325.48 = 34,248.01/x
  3. Step 3: Cross multiply
    61,105.51x = 84,325.48 × 34,248.01
  4. Step 4: Simplify right side
    61,105.51x = 2,887,979,882.29
  5. Step 5: Solve for x
    x = 2,887,979,882.29/61,105.51
  6. Step 6: Final answer
    x = 47,262.18

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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.