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Finding the Fourth Proportional to 101,494.81, 140,058.53 and 56,168.55

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Solution

The fourth proportional to 101,494.81, 140,058.53 and 56,168.55 is: 77,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,494.81 : 140,058.53 = 56,168.55 : x
  2. Step 2: Convert to fraction form
    101,494.81/140,058.53 = 56,168.55/x
  3. Step 3: Cross multiply
    101,494.81x = 140,058.53 × 56,168.55
  4. Step 4: Simplify right side
    101,494.81x = 7,866,884,264.39
  5. Step 5: Solve for x
    x = 7,866,884,264.39/101,494.81
  6. Step 6: Final answer
    x = 77,510.22

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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.