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Finding the Fourth Proportional to 74,403, 111,509.58 and 34,873.02

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Solution

The fourth proportional to 74,403, 111,509.58 and 34,873.02 is: 52,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,403 : 111,509.58 = 34,873.02 : x
  2. Step 2: Convert to fraction form
    74,403/111,509.58 = 34,873.02/x
  3. Step 3: Cross multiply
    74,403x = 111,509.58 × 34,873.02
  4. Step 4: Simplify right side
    74,403x = 3,888,675,813.53
  5. Step 5: Solve for x
    x = 3,888,675,813.53/74,403
  6. Step 6: Final answer
    x = 52,265.04

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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.