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Finding the Fourth Proportional to 74,445.69, 102,723.48 and 44,230.23

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Solution

The fourth proportional to 74,445.69, 102,723.48 and 44,230.23 is: 61,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.69 : 102,723.48 = 44,230.23 : x
  2. Step 2: Convert to fraction form
    74,445.69/102,723.48 = 44,230.23/x
  3. Step 3: Cross multiply
    74,445.69x = 102,723.48 × 44,230.23
  4. Step 4: Simplify right side
    74,445.69x = 4,543,483,146.80
  5. Step 5: Solve for x
    x = 4,543,483,146.80/74,445.69
  6. Step 6: Final answer
    x = 61,030.84

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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.