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Finding the Fourth Proportional to 173,655.80, 260,570.10 and 98,833.40

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Solution

The fourth proportional to 173,655.80, 260,570.10 and 98,833.40 is: 148,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,655.80 : 260,570.10 = 98,833.40 : x
  2. Step 2: Convert to fraction form
    173,655.80/260,570.10 = 98,833.40/x
  3. Step 3: Cross multiply
    173,655.80x = 260,570.10 × 98,833.40
  4. Step 4: Simplify right side
    173,655.80x = 25,753,028,921.34
  5. Step 5: Solve for x
    x = 25,753,028,921.34/173,655.80
  6. Step 6: Final answer
    x = 148,299.27

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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.