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Finding the Fourth Proportional to 229,255.76, 343,726.79 and 116,718.21

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Solution

The fourth proportional to 229,255.76, 343,726.79 and 116,718.21 is: 174,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,255.76 : 343,726.79 = 116,718.21 : x
  2. Step 2: Convert to fraction form
    229,255.76/343,726.79 = 116,718.21/x
  3. Step 3: Cross multiply
    229,255.76x = 343,726.79 × 116,718.21
  4. Step 4: Simplify right side
    229,255.76x = 40,119,175,074.25
  5. Step 5: Solve for x
    x = 40,119,175,074.25/229,255.76
  6. Step 6: Final answer
    x = 174,997.46

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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.