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Finding the Fourth Proportional to 169,853.92, 234,396.72 and 94,400.80

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Solution

The fourth proportional to 169,853.92, 234,396.72 and 94,400.80 is: 130,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,853.92 : 234,396.72 = 94,400.80 : x
  2. Step 2: Convert to fraction form
    169,853.92/234,396.72 = 94,400.80/x
  3. Step 3: Cross multiply
    169,853.92x = 234,396.72 × 94,400.80
  4. Step 4: Simplify right side
    169,853.92x = 22,127,237,885.38
  5. Step 5: Solve for x
    x = 22,127,237,885.38/169,853.92
  6. Step 6: Final answer
    x = 130,272.16

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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.