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Finding the Fourth Proportional to 111,254.19, 166,916.93 and 32,373.15

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Solution

The fourth proportional to 111,254.19, 166,916.93 and 32,373.15 is: 48,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,254.19 : 166,916.93 = 32,373.15 : x
  2. Step 2: Convert to fraction form
    111,254.19/166,916.93 = 32,373.15/x
  3. Step 3: Cross multiply
    111,254.19x = 166,916.93 × 32,373.15
  4. Step 4: Simplify right side
    111,254.19x = 5,403,626,650.56
  5. Step 5: Solve for x
    x = 5,403,626,650.56/111,254.19
  6. Step 6: Final answer
    x = 48,570.10

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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.