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Finding the Fourth Proportional to 141,712.64, 195,644.78 and 94,030.64

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Solution

The fourth proportional to 141,712.64, 195,644.78 and 94,030.64 is: 129,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,712.64 : 195,644.78 = 94,030.64 : x
  2. Step 2: Convert to fraction form
    141,712.64/195,644.78 = 94,030.64/x
  3. Step 3: Cross multiply
    141,712.64x = 195,644.78 × 94,030.64
  4. Step 4: Simplify right side
    141,712.64x = 18,396,602,427.68
  5. Step 5: Solve for x
    x = 18,396,602,427.68/141,712.64
  6. Step 6: Final answer
    x = 129,816.25

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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.