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Finding the Fourth Proportional to 119,894.30, 179,775.32 and 48,798.69

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Solution

The fourth proportional to 119,894.30, 179,775.32 and 48,798.69 is: 73,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,894.30 : 179,775.32 = 48,798.69 : x
  2. Step 2: Convert to fraction form
    119,894.30/179,775.32 = 48,798.69/x
  3. Step 3: Cross multiply
    119,894.30x = 179,775.32 × 48,798.69
  4. Step 4: Simplify right side
    119,894.30x = 8,772,799,782.89
  5. Step 5: Solve for x
    x = 8,772,799,782.89/119,894.30
  6. Step 6: Final answer
    x = 73,171.12

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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.