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Finding the Fourth Proportional to 117,653.68, 162,363.11 and 63,938.69

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Solution

The fourth proportional to 117,653.68, 162,363.11 and 63,938.69 is: 88,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,653.68 : 162,363.11 = 63,938.69 : x
  2. Step 2: Convert to fraction form
    117,653.68/162,363.11 = 63,938.69/x
  3. Step 3: Cross multiply
    117,653.68x = 162,363.11 × 63,938.69
  4. Step 4: Simplify right side
    117,653.68x = 10,381,284,643.94
  5. Step 5: Solve for x
    x = 10,381,284,643.94/117,653.68
  6. Step 6: Final answer
    x = 88,235.96

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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.