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Finding the Fourth Proportional to 98,482,995.60, 135,923,410.32 and 57,253,802.88

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Solution

The fourth proportional to 98,482,995.60, 135,923,410.32 and 57,253,802.88 is: 79,020,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,482,995.60 : 135,923,410.32 = 57,253,802.88 : x
  2. Step 2: Convert to fraction form
    98,482,995.60/135,923,410.32 = 57,253,802.88/x
  3. Step 3: Cross multiply
    98,482,995.60x = 135,923,410.32 × 57,253,802.88
  4. Step 4: Simplify right side
    98,482,995.60x = 7,782,132,141,238,638
  5. Step 5: Solve for x
    x = 7,782,132,141,238,638/98,482,995.60
  6. Step 6: Final answer
    x = 79,020,059.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.