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Finding the Fourth Proportional to 197,653, 296,510.24 and 66,355.72

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Solution

The fourth proportional to 197,653, 296,510.24 and 66,355.72 is: 99,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,653 : 296,510.24 = 66,355.72 : x
  2. Step 2: Convert to fraction form
    197,653/296,510.24 = 66,355.72/x
  3. Step 3: Cross multiply
    197,653x = 296,510.24 × 66,355.72
  4. Step 4: Simplify right side
    197,653x = 19,675,150,462.57
  5. Step 5: Solve for x
    x = 19,675,150,462.57/197,653
  6. Step 6: Final answer
    x = 99,543.90

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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.