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Finding the Fourth Proportional to 115,047.34, 158,776.05 and 67,297.66

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Solution

The fourth proportional to 115,047.34, 158,776.05 and 67,297.66 is: 92,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,047.34 : 158,776.05 = 67,297.66 : x
  2. Step 2: Convert to fraction form
    115,047.34/158,776.05 = 67,297.66/x
  3. Step 3: Cross multiply
    115,047.34x = 158,776.05 × 67,297.66
  4. Step 4: Simplify right side
    115,047.34x = 10,685,256,629.04
  5. Step 5: Solve for x
    x = 10,685,256,629.04/115,047.34
  6. Step 6: Final answer
    x = 92,877.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.