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Finding the Fourth Proportional to 110,030.74, 151,819.04 and 64,692.16

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Solution

The fourth proportional to 110,030.74, 151,819.04 and 64,692.16 is: 89,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,030.74 : 151,819.04 = 64,692.16 : x
  2. Step 2: Convert to fraction form
    110,030.74/151,819.04 = 64,692.16/x
  3. Step 3: Cross multiply
    110,030.74x = 151,819.04 × 64,692.16
  4. Step 4: Simplify right side
    110,030.74x = 9,821,501,626.73
  5. Step 5: Solve for x
    x = 9,821,501,626.73/110,030.74
  6. Step 6: Final answer
    x = 89,261.43

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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.