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Finding the Fourth Proportional to 169,446.78, 233,864.55 and 94,019.58

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Solution

The fourth proportional to 169,446.78, 233,864.55 and 94,019.58 is: 129,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,446.78 : 233,864.55 = 94,019.58 : x
  2. Step 2: Convert to fraction form
    169,446.78/233,864.55 = 94,019.58/x
  3. Step 3: Cross multiply
    169,446.78x = 233,864.55 × 94,019.58
  4. Step 4: Simplify right side
    169,446.78x = 21,987,846,767.89
  5. Step 5: Solve for x
    x = 21,987,846,767.89/169,446.78
  6. Step 6: Final answer
    x = 129,762.55

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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.