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Finding the Fourth Proportional to 74,297.61, 111,445.20 and 29,923.29

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Solution

The fourth proportional to 74,297.61, 111,445.20 and 29,923.29 is: 44,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,297.61 : 111,445.20 = 29,923.29 : x
  2. Step 2: Convert to fraction form
    74,297.61/111,445.20 = 29,923.29/x
  3. Step 3: Cross multiply
    74,297.61x = 111,445.20 × 29,923.29
  4. Step 4: Simplify right side
    74,297.61x = 3,334,807,038.71
  5. Step 5: Solve for x
    x = 3,334,807,038.71/74,297.61
  6. Step 6: Final answer
    x = 44,884.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.