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Finding the Fourth Proportional to 108,052.80, 149,111.52 and 59,655.12

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Solution

The fourth proportional to 108,052.80, 149,111.52 and 59,655.12 is: 82,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,052.80 : 149,111.52 = 59,655.12 : x
  2. Step 2: Convert to fraction form
    108,052.80/149,111.52 = 59,655.12/x
  3. Step 3: Cross multiply
    108,052.80x = 149,111.52 × 59,655.12
  4. Step 4: Simplify right side
    108,052.80x = 8,895,265,618.98
  5. Step 5: Solve for x
    x = 8,895,265,618.98/108,052.80
  6. Step 6: Final answer
    x = 82,323.32

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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.