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Finding the Fourth Proportional to 105,249.62, 145,244.63 and 59,927.63

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Solution

The fourth proportional to 105,249.62, 145,244.63 and 59,927.63 is: 82,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,249.62 : 145,244.63 = 59,927.63 : x
  2. Step 2: Convert to fraction form
    105,249.62/145,244.63 = 59,927.63/x
  3. Step 3: Cross multiply
    105,249.62x = 145,244.63 × 59,927.63
  4. Step 4: Simplify right side
    105,249.62x = 8,704,165,869.72
  5. Step 5: Solve for x
    x = 8,704,165,869.72/105,249.62
  6. Step 6: Final answer
    x = 82,700.21

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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.