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Finding the Fourth Proportional to 118,020.76, 162,866.60 and 64,306.22

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Solution

The fourth proportional to 118,020.76, 162,866.60 and 64,306.22 is: 88,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.76 : 162,866.60 = 64,306.22 : x
  2. Step 2: Convert to fraction form
    118,020.76/162,866.60 = 64,306.22/x
  3. Step 3: Cross multiply
    118,020.76x = 162,866.60 × 64,306.22
  4. Step 4: Simplify right side
    118,020.76x = 10,473,335,410.25
  5. Step 5: Solve for x
    x = 10,473,335,410.25/118,020.76
  6. Step 6: Final answer
    x = 88,741.47

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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.