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Finding the Fourth Proportional to 173,614.40, 260,421.60 and 102,755.60

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Solution

The fourth proportional to 173,614.40, 260,421.60 and 102,755.60 is: 154,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,614.40 : 260,421.60 = 102,755.60 : x
  2. Step 2: Convert to fraction form
    173,614.40/260,421.60 = 102,755.60/x
  3. Step 3: Cross multiply
    173,614.40x = 260,421.60 × 102,755.60
  4. Step 4: Simplify right side
    173,614.40x = 26,759,777,760.96
  5. Step 5: Solve for x
    x = 26,759,777,760.96/173,614.40
  6. Step 6: Final answer
    x = 154,133.40

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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.