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Finding the Fourth Proportional to 74,560.98, 102,860.25 and 44,329.15

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Solution

The fourth proportional to 74,560.98, 102,860.25 and 44,329.15 is: 61,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,560.98 : 102,860.25 = 44,329.15 : x
  2. Step 2: Convert to fraction form
    74,560.98/102,860.25 = 44,329.15/x
  3. Step 3: Cross multiply
    74,560.98x = 102,860.25 × 44,329.15
  4. Step 4: Simplify right side
    74,560.98x = 4,559,707,451.29
  5. Step 5: Solve for x
    x = 4,559,707,451.29/74,560.98
  6. Step 6: Final answer
    x = 61,154.07

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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.