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Finding the Fourth Proportional to 197,282.40, 296,045.10 and 85,016.40

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Solution

The fourth proportional to 197,282.40, 296,045.10 and 85,016.40 is: 127,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,282.40 : 296,045.10 = 85,016.40 : x
  2. Step 2: Convert to fraction form
    197,282.40/296,045.10 = 85,016.40/x
  3. Step 3: Cross multiply
    197,282.40x = 296,045.10 × 85,016.40
  4. Step 4: Simplify right side
    197,282.40x = 25,168,688,639.64
  5. Step 5: Solve for x
    x = 25,168,688,639.64/197,282.40
  6. Step 6: Final answer
    x = 127,576.96

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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.