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Finding the Fourth Proportional to 173,526.60, 260,046.90 and 138,048.60

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Solution

The fourth proportional to 173,526.60, 260,046.90 and 138,048.60 is: 206,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,526.60 : 260,046.90 = 138,048.60 : x
  2. Step 2: Convert to fraction form
    173,526.60/260,046.90 = 138,048.60/x
  3. Step 3: Cross multiply
    173,526.60x = 260,046.90 × 138,048.60
  4. Step 4: Simplify right side
    173,526.60x = 35,899,110,479.34
  5. Step 5: Solve for x
    x = 35,899,110,479.34/173,526.60
  6. Step 6: Final answer
    x = 206,879.58

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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.