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Finding the Fourth Proportional to 118,010.66, 162,856.58 and 64,295.66

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Solution

The fourth proportional to 118,010.66, 162,856.58 and 64,295.66 is: 88,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,010.66 : 162,856.58 = 64,295.66 : x
  2. Step 2: Convert to fraction form
    118,010.66/162,856.58 = 64,295.66/x
  3. Step 3: Cross multiply
    118,010.66x = 162,856.58 × 64,295.66
  4. Step 4: Simplify right side
    118,010.66x = 10,470,970,160.68
  5. Step 5: Solve for x
    x = 10,470,970,160.68/118,010.66
  6. Step 6: Final answer
    x = 88,729.02

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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.