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Finding the Fourth Proportional to 118,752.76, 163,879.02 and 64,305.52

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Solution

The fourth proportional to 118,752.76, 163,879.02 and 64,305.52 is: 88,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,752.76 : 163,879.02 = 64,305.52 : x
  2. Step 2: Convert to fraction form
    118,752.76/163,879.02 = 64,305.52/x
  3. Step 3: Cross multiply
    118,752.76x = 163,879.02 × 64,305.52
  4. Step 4: Simplify right side
    118,752.76x = 10,538,325,598.19
  5. Step 5: Solve for x
    x = 10,538,325,598.19/118,752.76
  6. Step 6: Final answer
    x = 88,741.73

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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.