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Finding the Fourth Proportional to 173,803.12, 239,841.48 and 98,350

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Solution

The fourth proportional to 173,803.12, 239,841.48 and 98,350 is: 135,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,803.12 : 239,841.48 = 98,350 : x
  2. Step 2: Convert to fraction form
    173,803.12/239,841.48 = 98,350/x
  3. Step 3: Cross multiply
    173,803.12x = 239,841.48 × 98,350
  4. Step 4: Simplify right side
    173,803.12x = 23,588,409,558
  5. Step 5: Solve for x
    x = 23,588,409,558/173,803.12
  6. Step 6: Final answer
    x = 135,719.14

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Why These Related Problems?

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