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Finding the Fourth Proportional to 108,587.94, 149,849.91 and 60,842.22

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Solution

The fourth proportional to 108,587.94, 149,849.91 and 60,842.22 is: 83,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,587.94 : 149,849.91 = 60,842.22 : x
  2. Step 2: Convert to fraction form
    108,587.94/149,849.91 = 60,842.22/x
  3. Step 3: Cross multiply
    108,587.94x = 149,849.91 × 60,842.22
  4. Step 4: Simplify right side
    108,587.94x = 9,117,201,191.20
  5. Step 5: Solve for x
    x = 9,117,201,191.20/108,587.94
  6. Step 6: Final answer
    x = 83,961.45

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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.