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Finding the Fourth Proportional to 152,374.98, 227,635.81 and 98,629.10

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Solution

The fourth proportional to 152,374.98, 227,635.81 and 98,629.10 is: 147,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,374.98 : 227,635.81 = 98,629.10 : x
  2. Step 2: Convert to fraction form
    152,374.98/227,635.81 = 98,629.10/x
  3. Step 3: Cross multiply
    152,374.98x = 227,635.81 × 98,629.10
  4. Step 4: Simplify right side
    152,374.98x = 22,451,515,068.07
  5. Step 5: Solve for x
    x = 22,451,515,068.07/152,374.98
  6. Step 6: Final answer
    x = 147,343.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.