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Finding the Fourth Proportional to 233,888.84, 322,849.53 and 138,395.30

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Solution

The fourth proportional to 233,888.84, 322,849.53 and 138,395.30 is: 191,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,888.84 : 322,849.53 = 138,395.30 : x
  2. Step 2: Convert to fraction form
    233,888.84/322,849.53 = 138,395.30/x
  3. Step 3: Cross multiply
    233,888.84x = 322,849.53 × 138,395.30
  4. Step 4: Simplify right side
    233,888.84x = 44,680,858,366.33
  5. Step 5: Solve for x
    x = 44,680,858,366.33/233,888.84
  6. Step 6: Final answer
    x = 191,034.59

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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.