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Finding the Fourth Proportional to 146,510.59, 202,185.84 and 79,442.59

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Solution

The fourth proportional to 146,510.59, 202,185.84 and 79,442.59 is: 109,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,510.59 : 202,185.84 = 79,442.59 : x
  2. Step 2: Convert to fraction form
    146,510.59/202,185.84 = 79,442.59/x
  3. Step 3: Cross multiply
    146,510.59x = 202,185.84 × 79,442.59
  4. Step 4: Simplify right side
    146,510.59x = 16,062,166,790.93
  5. Step 5: Solve for x
    x = 16,062,166,790.93/146,510.59
  6. Step 6: Final answer
    x = 109,631.44

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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.