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Finding the Fourth Proportional to 73,886.32, 101,963.24 and 42,055.22

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Solution

The fourth proportional to 73,886.32, 101,963.24 and 42,055.22 is: 58,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.32 : 101,963.24 = 42,055.22 : x
  2. Step 2: Convert to fraction form
    73,886.32/101,963.24 = 42,055.22/x
  3. Step 3: Cross multiply
    73,886.32x = 101,963.24 × 42,055.22
  4. Step 4: Simplify right side
    73,886.32x = 4,288,086,534.74
  5. Step 5: Solve for x
    x = 4,288,086,534.74/73,886.32
  6. Step 6: Final answer
    x = 58,036.27

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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.