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Finding the Fourth Proportional to 233,774.80, 322,612.68 and 133,170.64

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Solution

The fourth proportional to 233,774.80, 322,612.68 and 133,170.64 is: 183,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,774.80 : 322,612.68 = 133,170.64 : x
  2. Step 2: Convert to fraction form
    233,774.80/322,612.68 = 133,170.64/x
  3. Step 3: Cross multiply
    233,774.80x = 322,612.68 × 133,170.64
  4. Step 4: Simplify right side
    233,774.80x = 42,962,537,067.72
  5. Step 5: Solve for x
    x = 42,962,537,067.72/233,774.80
  6. Step 6: Final answer
    x = 183,777.45

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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.