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Finding the Fourth Proportional to 110,944.60, 153,066.12 and 63,164.12

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Solution

The fourth proportional to 110,944.60, 153,066.12 and 63,164.12 is: 87,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,944.60 : 153,066.12 = 63,164.12 : x
  2. Step 2: Convert to fraction form
    110,944.60/153,066.12 = 63,164.12/x
  3. Step 3: Cross multiply
    110,944.60x = 153,066.12 × 63,164.12
  4. Step 4: Simplify right side
    110,944.60x = 9,668,286,771.61
  5. Step 5: Solve for x
    x = 9,668,286,771.61/110,944.60
  6. Step 6: Final answer
    x = 87,145.18

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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.