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Finding the Fourth Proportional to 183,381.84, 275,049.41 and 70,985.16

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Solution

The fourth proportional to 183,381.84, 275,049.41 and 70,985.16 is: 106,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,381.84 : 275,049.41 = 70,985.16 : x
  2. Step 2: Convert to fraction form
    183,381.84/275,049.41 = 70,985.16/x
  3. Step 3: Cross multiply
    183,381.84x = 275,049.41 × 70,985.16
  4. Step 4: Simplify right side
    183,381.84x = 19,524,426,021.83
  5. Step 5: Solve for x
    x = 19,524,426,021.83/183,381.84
  6. Step 6: Final answer
    x = 106,468.70

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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.