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Finding the Fourth Proportional to 110,609.64, 152,640.72 and 62,860.14

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Solution

The fourth proportional to 110,609.64, 152,640.72 and 62,860.14 is: 86,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,609.64 : 152,640.72 = 62,860.14 : x
  2. Step 2: Convert to fraction form
    110,609.64/152,640.72 = 62,860.14/x
  3. Step 3: Cross multiply
    110,609.64x = 152,640.72 × 62,860.14
  4. Step 4: Simplify right side
    110,609.64x = 9,595,017,028.90
  5. Step 5: Solve for x
    x = 9,595,017,028.90/110,609.64
  6. Step 6: Final answer
    x = 86,746.66

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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.