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Finding the Fourth Proportional to 117,735.80, 162,475.08 and 64,020.92

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Solution

The fourth proportional to 117,735.80, 162,475.08 and 64,020.92 is: 88,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,735.80 : 162,475.08 = 64,020.92 : x
  2. Step 2: Convert to fraction form
    117,735.80/162,475.08 = 64,020.92/x
  3. Step 3: Cross multiply
    117,735.80x = 162,475.08 × 64,020.92
  4. Step 4: Simplify right side
    117,735.80x = 10,401,804,098.67
  5. Step 5: Solve for x
    x = 10,401,804,098.67/117,735.80
  6. Step 6: Final answer
    x = 88,348.69

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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.