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Finding the Fourth Proportional to 148,906.40, 223,532.40 and 89,808.80

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Solution

The fourth proportional to 148,906.40, 223,532.40 and 89,808.80 is: 134,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,906.40 : 223,532.40 = 89,808.80 : x
  2. Step 2: Convert to fraction form
    148,906.40/223,532.40 = 89,808.80/x
  3. Step 3: Cross multiply
    148,906.40x = 223,532.40 × 89,808.80
  4. Step 4: Simplify right side
    148,906.40x = 20,075,176,605.12
  5. Step 5: Solve for x
    x = 20,075,176,605.12/148,906.40
  6. Step 6: Final answer
    x = 134,817.42

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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.