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Finding the Fourth Proportional to 73,726.18, 101,742.18 and 40,192.18

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Solution

The fourth proportional to 73,726.18, 101,742.18 and 40,192.18 is: 55,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,726.18 : 101,742.18 = 40,192.18 : x
  2. Step 2: Convert to fraction form
    73,726.18/101,742.18 = 40,192.18/x
  3. Step 3: Cross multiply
    73,726.18x = 101,742.18 × 40,192.18
  4. Step 4: Simplify right side
    73,726.18x = 4,089,240,012.15
  5. Step 5: Solve for x
    x = 4,089,240,012.15/73,726.18
  6. Step 6: Final answer
    x = 55,465.24

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1.5x scale

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.