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Finding the Fourth Proportional to 111,635.44, 154,065.48 and 63,903.76

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Solution

The fourth proportional to 111,635.44, 154,065.48 and 63,903.76 is: 88,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,635.44 : 154,065.48 = 63,903.76 : x
  2. Step 2: Convert to fraction form
    111,635.44/154,065.48 = 63,903.76/x
  3. Step 3: Cross multiply
    111,635.44x = 154,065.48 × 63,903.76
  4. Step 4: Simplify right side
    111,635.44x = 9,845,363,458.20
  5. Step 5: Solve for x
    x = 9,845,363,458.20/111,635.44
  6. Step 6: Final answer
    x = 88,192.10

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1.5x scale

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.