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Finding the Fourth Proportional to 159,653.25, 239,479.88 and 64,934.97

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Solution

The fourth proportional to 159,653.25, 239,479.88 and 64,934.97 is: 97,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,653.25 : 239,479.88 = 64,934.97 : x
  2. Step 2: Convert to fraction form
    159,653.25/239,479.88 = 64,934.97/x
  3. Step 3: Cross multiply
    159,653.25x = 239,479.88 × 64,934.97
  4. Step 4: Simplify right side
    159,653.25x = 15,550,617,600.68
  5. Step 5: Solve for x
    x = 15,550,617,600.68/159,653.25
  6. Step 6: Final answer
    x = 97,402.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.