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Finding the Fourth Proportional to 99,230.40, 148,802.40 and 32,644.80

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Solution

The fourth proportional to 99,230.40, 148,802.40 and 32,644.80 is: 48,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,230.40 : 148,802.40 = 32,644.80 : x
  2. Step 2: Convert to fraction form
    99,230.40/148,802.40 = 32,644.80/x
  3. Step 3: Cross multiply
    99,230.40x = 148,802.40 × 32,644.80
  4. Step 4: Simplify right side
    99,230.40x = 4,857,624,587.52
  5. Step 5: Solve for x
    x = 4,857,624,587.52/99,230.40
  6. Step 6: Final answer
    x = 48,952.99

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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.