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Finding the Fourth Proportional to 110,048.40, 151,870.47 and 61,652.42

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Solution

The fourth proportional to 110,048.40, 151,870.47 and 61,652.42 is: 85,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,048.40 : 151,870.47 = 61,652.42 : x
  2. Step 2: Convert to fraction form
    110,048.40/151,870.47 = 61,652.42/x
  3. Step 3: Cross multiply
    110,048.40x = 151,870.47 × 61,652.42
  4. Step 4: Simplify right side
    110,048.40x = 9,363,182,002.04
  5. Step 5: Solve for x
    x = 9,363,182,002.04/110,048.40
  6. Step 6: Final answer
    x = 85,082.40

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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.