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Finding the Fourth Proportional to 110,900.85, 153,043.01 and 63,154.22

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Solution

The fourth proportional to 110,900.85, 153,043.01 and 63,154.22 is: 87,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,900.85 : 153,043.01 = 63,154.22 : x
  2. Step 2: Convert to fraction form
    110,900.85/153,043.01 = 63,154.22/x
  3. Step 3: Cross multiply
    110,900.85x = 153,043.01 × 63,154.22
  4. Step 4: Simplify right side
    110,900.85x = 9,665,311,607.23
  5. Step 5: Solve for x
    x = 9,665,311,607.23/110,900.85
  6. Step 6: Final answer
    x = 87,152.73

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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.