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Finding the Fourth Proportional to 146,642.63, 202,366.82 and 79,574.63

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Solution

The fourth proportional to 146,642.63, 202,366.82 and 79,574.63 is: 109,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,642.63 : 202,366.82 = 79,574.63 : x
  2. Step 2: Convert to fraction form
    146,642.63/202,366.82 = 79,574.63/x
  3. Step 3: Cross multiply
    146,642.63x = 202,366.82 × 79,574.63
  4. Step 4: Simplify right side
    146,642.63x = 16,103,264,012.88
  5. Step 5: Solve for x
    x = 16,103,264,012.88/146,642.63
  6. Step 6: Final answer
    x = 109,812.98

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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.