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Finding the Fourth Proportional to 107,232.40, 160,848.60 and 74,054.80

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Solution

The fourth proportional to 107,232.40, 160,848.60 and 74,054.80 is: 111,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,232.40 : 160,848.60 = 74,054.80 : x
  2. Step 2: Convert to fraction form
    107,232.40/160,848.60 = 74,054.80/x
  3. Step 3: Cross multiply
    107,232.40x = 160,848.60 × 74,054.80
  4. Step 4: Simplify right side
    107,232.40x = 11,911,610,903.28
  5. Step 5: Solve for x
    x = 11,911,610,903.28/107,232.40
  6. Step 6: Final answer
    x = 111,082.20

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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.