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Finding the Fourth Proportional to 74,503.61, 102,772.90 and 44,298.67

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Solution

The fourth proportional to 74,503.61, 102,772.90 and 44,298.67 is: 61,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,503.61 : 102,772.90 = 44,298.67 : x
  2. Step 2: Convert to fraction form
    74,503.61/102,772.90 = 44,298.67/x
  3. Step 3: Cross multiply
    74,503.61x = 102,772.90 × 44,298.67
  4. Step 4: Simplify right side
    74,503.61x = 4,552,702,937.64
  5. Step 5: Solve for x
    x = 4,552,702,937.64/74,503.61
  6. Step 6: Final answer
    x = 61,107.15

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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.