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Finding the Fourth Proportional to 76,599.97, 105,700.53 and 44,328.17

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Solution

The fourth proportional to 76,599.97, 105,700.53 and 44,328.17 is: 61,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,599.97 : 105,700.53 = 44,328.17 : x
  2. Step 2: Convert to fraction form
    76,599.97/105,700.53 = 44,328.17/x
  3. Step 3: Cross multiply
    76,599.97x = 105,700.53 × 44,328.17
  4. Step 4: Simplify right side
    76,599.97x = 4,685,511,579.72
  5. Step 5: Solve for x
    x = 4,685,511,579.72/76,599.97
  6. Step 6: Final answer
    x = 61,168.59

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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.