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Finding the Fourth Proportional to 99,473.40, 149,210.10 and 33,809.40

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Solution

The fourth proportional to 99,473.40, 149,210.10 and 33,809.40 is: 50,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,473.40 : 149,210.10 = 33,809.40 : x
  2. Step 2: Convert to fraction form
    99,473.40/149,210.10 = 33,809.40/x
  3. Step 3: Cross multiply
    99,473.40x = 149,210.10 × 33,809.40
  4. Step 4: Simplify right side
    99,473.40x = 5,044,703,954.94
  5. Step 5: Solve for x
    x = 5,044,703,954.94/99,473.40
  6. Step 6: Final answer
    x = 50,714.10

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Similar ratio
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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.