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Finding the Fourth Proportional to 110,881.71, 153,017.24 and 60,581.79

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Solution

The fourth proportional to 110,881.71, 153,017.24 and 60,581.79 is: 83,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,881.71 : 153,017.24 = 60,581.79 : x
  2. Step 2: Convert to fraction form
    110,881.71/153,017.24 = 60,581.79/x
  3. Step 3: Cross multiply
    110,881.71x = 153,017.24 × 60,581.79
  4. Step 4: Simplify right side
    110,881.71x = 9,270,058,300.06
  5. Step 5: Solve for x
    x = 9,270,058,300.06/110,881.71
  6. Step 6: Final answer
    x = 83,603.13

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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.