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Finding the Fourth Proportional to 73,336.21, 101,203.95 and 39,802.21

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Solution

The fourth proportional to 73,336.21, 101,203.95 and 39,802.21 is: 54,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,336.21 : 101,203.95 = 39,802.21 : x
  2. Step 2: Convert to fraction form
    73,336.21/101,203.95 = 39,802.21/x
  3. Step 3: Cross multiply
    73,336.21x = 101,203.95 × 39,802.21
  4. Step 4: Simplify right side
    73,336.21x = 4,028,140,870.73
  5. Step 5: Solve for x
    x = 4,028,140,870.73/73,336.21
  6. Step 6: Final answer
    x = 54,927.04

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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.