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Finding the Fourth Proportional to 111,420.95, 167,115.02 and 36,549.01

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Solution

The fourth proportional to 111,420.95, 167,115.02 and 36,549.01 is: 54,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,420.95 : 167,115.02 = 36,549.01 : x
  2. Step 2: Convert to fraction form
    111,420.95/167,115.02 = 36,549.01/x
  3. Step 3: Cross multiply
    111,420.95x = 167,115.02 × 36,549.01
  4. Step 4: Simplify right side
    111,420.95x = 6,107,888,210.72
  5. Step 5: Solve for x
    x = 6,107,888,210.72/111,420.95
  6. Step 6: Final answer
    x = 54,818.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.