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Finding the Fourth Proportional to 281,701.55, 422,718.39 and 104,333.12

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Solution

The fourth proportional to 281,701.55, 422,718.39 and 104,333.12 is: 156,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,701.55 : 422,718.39 = 104,333.12 : x
  2. Step 2: Convert to fraction form
    281,701.55/422,718.39 = 104,333.12/x
  3. Step 3: Cross multiply
    281,701.55x = 422,718.39 × 104,333.12
  4. Step 4: Simplify right side
    281,701.55x = 44,103,528,510.08
  5. Step 5: Solve for x
    x = 44,103,528,510.08/281,701.55
  6. Step 6: Final answer
    x = 156,561.19

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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.