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Finding the Fourth Proportional to 108,783.38, 163,221.84 and 58,899.12

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Solution

The fourth proportional to 108,783.38, 163,221.84 and 58,899.12 is: 88,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,783.38 : 163,221.84 = 58,899.12 : x
  2. Step 2: Convert to fraction form
    108,783.38/163,221.84 = 58,899.12/x
  3. Step 3: Cross multiply
    108,783.38x = 163,221.84 × 58,899.12
  4. Step 4: Simplify right side
    108,783.38x = 9,613,622,740.78
  5. Step 5: Solve for x
    x = 9,613,622,740.78/108,783.38
  6. Step 6: Final answer
    x = 88,374.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.