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Finding the Fourth Proportional to 173,679.80, 260,606.10 and 98,857.40

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Solution

The fourth proportional to 173,679.80, 260,606.10 and 98,857.40 is: 148,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,679.80 : 260,606.10 = 98,857.40 : x
  2. Step 2: Convert to fraction form
    173,679.80/260,606.10 = 98,857.40/x
  3. Step 3: Cross multiply
    173,679.80x = 260,606.10 × 98,857.40
  4. Step 4: Simplify right side
    173,679.80x = 25,762,841,470.14
  5. Step 5: Solve for x
    x = 25,762,841,470.14/173,679.80
  6. Step 6: Final answer
    x = 148,335.28

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1.5x scale

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.