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Finding the Fourth Proportional to 110,885.60, 153,031.20 and 63,153.92

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Solution

The fourth proportional to 110,885.60, 153,031.20 and 63,153.92 is: 87,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,885.60 : 153,031.20 = 63,153.92 : x
  2. Step 2: Convert to fraction form
    110,885.60/153,031.20 = 63,153.92/x
  3. Step 3: Cross multiply
    110,885.60x = 153,031.20 × 63,153.92
  4. Step 4: Simplify right side
    110,885.60x = 9,664,520,162.30
  5. Step 5: Solve for x
    x = 9,664,520,162.30/110,885.60
  6. Step 6: Final answer
    x = 87,157.58

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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.