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Finding the Fourth Proportional to 213,908.75, 295,271.84 and 124,484.75

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Solution

The fourth proportional to 213,908.75, 295,271.84 and 124,484.75 is: 171,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,908.75 : 295,271.84 = 124,484.75 : x
  2. Step 2: Convert to fraction form
    213,908.75/295,271.84 = 124,484.75/x
  3. Step 3: Cross multiply
    213,908.75x = 295,271.84 × 124,484.75
  4. Step 4: Simplify right side
    213,908.75x = 36,756,840,562.02
  5. Step 5: Solve for x
    x = 36,756,840,562.02/213,908.75
  6. Step 6: Final answer
    x = 171,834.21

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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.