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Finding the Fourth Proportional to 111,027.51, 153,217.71 and 60,726.51

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Solution

The fourth proportional to 111,027.51, 153,217.71 and 60,726.51 is: 83,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.51 : 153,217.71 = 60,726.51 : x
  2. Step 2: Convert to fraction form
    111,027.51/153,217.71 = 60,726.51/x
  3. Step 3: Cross multiply
    111,027.51x = 153,217.71 × 60,726.51
  4. Step 4: Simplify right side
    111,027.51x = 9,304,376,798.49
  5. Step 5: Solve for x
    x = 9,304,376,798.49/111,027.51
  6. Step 6: Final answer
    x = 83,802.44

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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.