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Finding the Fourth Proportional to 173,710.20, 260,565.30 and 171,085.80

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Solution

The fourth proportional to 173,710.20, 260,565.30 and 171,085.80 is: 256,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,710.20 : 260,565.30 = 171,085.80 : x
  2. Step 2: Convert to fraction form
    173,710.20/260,565.30 = 171,085.80/x
  3. Step 3: Cross multiply
    173,710.20x = 260,565.30 × 171,085.80
  4. Step 4: Simplify right side
    173,710.20x = 44,579,022,802.74
  5. Step 5: Solve for x
    x = 44,579,022,802.74/173,710.20
  6. Step 6: Final answer
    x = 256,628.70

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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.