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Finding the Fourth Proportional to 169,791.66, 234,312.54 and 94,340.16

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Solution

The fourth proportional to 169,791.66, 234,312.54 and 94,340.16 is: 130,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,791.66 : 234,312.54 = 94,340.16 : x
  2. Step 2: Convert to fraction form
    169,791.66/234,312.54 = 94,340.16/x
  3. Step 3: Cross multiply
    169,791.66x = 234,312.54 × 94,340.16
  4. Step 4: Simplify right side
    169,791.66x = 22,105,082,513.61
  5. Step 5: Solve for x
    x = 22,105,082,513.61/169,791.66
  6. Step 6: Final answer
    x = 130,189.45

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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.