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Finding the Fourth Proportional to 111,200.03, 153,467.03 and 63,460.55

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Solution

The fourth proportional to 111,200.03, 153,467.03 and 63,460.55 is: 87,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,200.03 : 153,467.03 = 63,460.55 : x
  2. Step 2: Convert to fraction form
    111,200.03/153,467.03 = 63,460.55/x
  3. Step 3: Cross multiply
    111,200.03x = 153,467.03 × 63,460.55
  4. Step 4: Simplify right side
    111,200.03x = 9,739,102,316.02
  5. Step 5: Solve for x
    x = 9,739,102,316.02/111,200.03
  6. Step 6: Final answer
    x = 87,581.83

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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.