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Finding the Fourth Proportional to 146,510.75, 202,184.93 and 79,442.75

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Solution

The fourth proportional to 146,510.75, 202,184.93 and 79,442.75 is: 109,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,510.75 : 202,184.93 = 79,442.75 : x
  2. Step 2: Convert to fraction form
    146,510.75/202,184.93 = 79,442.75/x
  3. Step 3: Cross multiply
    146,510.75x = 202,184.93 × 79,442.75
  4. Step 4: Simplify right side
    146,510.75x = 16,062,126,847.76
  5. Step 5: Solve for x
    x = 16,062,126,847.76/146,510.75
  6. Step 6: Final answer
    x = 109,631.05

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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.