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Finding the Fourth Proportional to 108,365.61, 149,550.35 and 60,616.11

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Solution

The fourth proportional to 108,365.61, 149,550.35 and 60,616.11 is: 83,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,365.61 : 149,550.35 = 60,616.11 : x
  2. Step 2: Convert to fraction form
    108,365.61/149,550.35 = 60,616.11/x
  3. Step 3: Cross multiply
    108,365.61x = 149,550.35 × 60,616.11
  4. Step 4: Simplify right side
    108,365.61x = 9,065,160,466.14
  5. Step 5: Solve for x
    x = 9,065,160,466.14/108,365.61
  6. Step 6: Final answer
    x = 83,653.48

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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.