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Finding the Fourth Proportional to 183,334.80, 275,220.90 and 103,436.40

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Solution

The fourth proportional to 183,334.80, 275,220.90 and 103,436.40 is: 155,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,334.80 : 275,220.90 = 103,436.40 : x
  2. Step 2: Convert to fraction form
    183,334.80/275,220.90 = 103,436.40/x
  3. Step 3: Cross multiply
    183,334.80x = 275,220.90 × 103,436.40
  4. Step 4: Simplify right side
    183,334.80x = 28,467,859,100.76
  5. Step 5: Solve for x
    x = 28,467,859,100.76/183,334.80
  6. Step 6: Final answer
    x = 155,277.99

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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.