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Finding the Fourth Proportional to 173,840.10, 260,788.95 and 74,048.10

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Solution

The fourth proportional to 173,840.10, 260,788.95 and 74,048.10 is: 111,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840.10 : 260,788.95 = 74,048.10 : x
  2. Step 2: Convert to fraction form
    173,840.10/260,788.95 = 74,048.10/x
  3. Step 3: Cross multiply
    173,840.10x = 260,788.95 × 74,048.10
  4. Step 4: Simplify right side
    173,840.10x = 19,310,926,248.50
  5. Step 5: Solve for x
    x = 19,310,926,248.50/173,840.10
  6. Step 6: Final answer
    x = 111,084.42

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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.