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Finding the Fourth Proportional to 117,635.67, 162,337.88 and 63,920.65

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Solution

The fourth proportional to 117,635.67, 162,337.88 and 63,920.65 is: 88,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.67 : 162,337.88 = 63,920.65 : x
  2. Step 2: Convert to fraction form
    117,635.67/162,337.88 = 63,920.65/x
  3. Step 3: Cross multiply
    117,635.67x = 162,337.88 × 63,920.65
  4. Step 4: Simplify right side
    117,635.67x = 10,376,742,809.22
  5. Step 5: Solve for x
    x = 10,376,742,809.22/117,635.67
  6. Step 6: Final answer
    x = 88,210.85

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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.