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Finding the Fourth Proportional to 205,117.21, 307,574.46 and 62,928.46

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Solution

The fourth proportional to 205,117.21, 307,574.46 and 62,928.46 is: 94,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,117.21 : 307,574.46 = 62,928.46 : x
  2. Step 2: Convert to fraction form
    205,117.21/307,574.46 = 62,928.46/x
  3. Step 3: Cross multiply
    205,117.21x = 307,574.46 × 62,928.46
  4. Step 4: Simplify right side
    205,117.21x = 19,355,187,103.13
  5. Step 5: Solve for x
    x = 19,355,187,103.13/205,117.21
  6. Step 6: Final answer
    x = 94,361.60

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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.