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Finding the Fourth Proportional to 239,254.60, 358,853.10 and 98,998.60

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Solution

The fourth proportional to 239,254.60, 358,853.10 and 98,998.60 is: 148,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,254.60 : 358,853.10 = 98,998.60 : x
  2. Step 2: Convert to fraction form
    239,254.60/358,853.10 = 98,998.60/x
  3. Step 3: Cross multiply
    239,254.60x = 358,853.10 × 98,998.60
  4. Step 4: Simplify right side
    239,254.60x = 35,525,954,505.66
  5. Step 5: Solve for x
    x = 35,525,954,505.66/239,254.60
  6. Step 6: Final answer
    x = 148,485.98

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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.