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Finding the Fourth Proportional to 231,036.48, 318,832.35 and 132,934.35

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Solution

The fourth proportional to 231,036.48, 318,832.35 and 132,934.35 is: 183,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,036.48 : 318,832.35 = 132,934.35 : x
  2. Step 2: Convert to fraction form
    231,036.48/318,832.35 = 132,934.35/x
  3. Step 3: Cross multiply
    231,036.48x = 318,832.35 × 132,934.35
  4. Step 4: Simplify right side
    231,036.48x = 42,383,771,206.22
  5. Step 5: Solve for x
    x = 42,383,771,206.22/231,036.48
  6. Step 6: Final answer
    x = 183,450.56

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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.