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Finding the Fourth Proportional to 173,658.90, 260,508.60 and 55,342.20

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Solution

The fourth proportional to 173,658.90, 260,508.60 and 55,342.20 is: 83,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,658.90 : 260,508.60 = 55,342.20 : x
  2. Step 2: Convert to fraction form
    173,658.90/260,508.60 = 55,342.20/x
  3. Step 3: Cross multiply
    173,658.90x = 260,508.60 × 55,342.20
  4. Step 4: Simplify right side
    173,658.90x = 14,417,119,042.92
  5. Step 5: Solve for x
    x = 14,417,119,042.92/173,658.90
  6. Step 6: Final answer
    x = 83,019.75

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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.