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Finding the Fourth Proportional to 158,170.92, 218,290.71 and 94,507.35

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Solution

The fourth proportional to 158,170.92, 218,290.71 and 94,507.35 is: 130,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,170.92 : 218,290.71 = 94,507.35 : x
  2. Step 2: Convert to fraction form
    158,170.92/218,290.71 = 94,507.35/x
  3. Step 3: Cross multiply
    158,170.92x = 218,290.71 × 94,507.35
  4. Step 4: Simplify right side
    158,170.92x = 20,630,076,531.72
  5. Step 5: Solve for x
    x = 20,630,076,531.72/158,170.92
  6. Step 6: Final answer
    x = 130,429.01

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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.