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Finding the Fourth Proportional to 169,436.28, 233,850.12 and 94,009.08

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Solution

The fourth proportional to 169,436.28, 233,850.12 and 94,009.08 is: 129,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,436.28 : 233,850.12 = 94,009.08 : x
  2. Step 2: Convert to fraction form
    169,436.28/233,850.12 = 94,009.08/x
  3. Step 3: Cross multiply
    169,436.28x = 233,850.12 × 94,009.08
  4. Step 4: Simplify right side
    169,436.28x = 21,984,034,639.09
  5. Step 5: Solve for x
    x = 21,984,034,639.09/169,436.28
  6. Step 6: Final answer
    x = 129,748.10

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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.