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Finding the Fourth Proportional to 114,416,769.60, 171,691,509.60 and 42,620,443.20

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Solution

The fourth proportional to 114,416,769.60, 171,691,509.60 and 42,620,443.20 is: 63,955,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,416,769.60 : 171,691,509.60 = 42,620,443.20 : x
  2. Step 2: Convert to fraction form
    114,416,769.60/171,691,509.60 = 42,620,443.20/x
  3. Step 3: Cross multiply
    114,416,769.60x = 171,691,509.60 × 42,620,443.20
  4. Step 4: Simplify right side
    114,416,769.60x = 7,317,568,232,829,055
  5. Step 5: Solve for x
    x = 7,317,568,232,829,055/114,416,769.60
  6. Step 6: Final answer
    x = 63,955,382.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.