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Finding the Fourth Proportional to 238,460.80, 357,561.60 and 98,233.60

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Solution

The fourth proportional to 238,460.80, 357,561.60 and 98,233.60 is: 147,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,460.80 : 357,561.60 = 98,233.60 : x
  2. Step 2: Convert to fraction form
    238,460.80/357,561.60 = 98,233.60/x
  3. Step 3: Cross multiply
    238,460.80x = 357,561.60 × 98,233.60
  4. Step 4: Simplify right side
    238,460.80x = 35,124,563,189.76
  5. Step 5: Solve for x
    x = 35,124,563,189.76/238,460.80
  6. Step 6: Final answer
    x = 147,297.01

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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.