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Finding the Fourth Proportional to 146,628.95, 202,347.84 and 79,560.95

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Solution

The fourth proportional to 146,628.95, 202,347.84 and 79,560.95 is: 109,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,628.95 : 202,347.84 = 79,560.95 : x
  2. Step 2: Convert to fraction form
    146,628.95/202,347.84 = 79,560.95/x
  3. Step 3: Cross multiply
    146,628.95x = 202,347.84 × 79,560.95
  4. Step 4: Simplify right side
    146,628.95x = 16,098,985,369.11
  5. Step 5: Solve for x
    x = 16,098,985,369.11/146,628.95
  6. Step 6: Final answer
    x = 109,794.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.