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Finding the Fourth Proportional to 119,818, 179,719.40 and 46,794.88

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Solution

The fourth proportional to 119,818, 179,719.40 and 46,794.88 is: 70,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,818 : 179,719.40 = 46,794.88 : x
  2. Step 2: Convert to fraction form
    119,818/179,719.40 = 46,794.88/x
  3. Step 3: Cross multiply
    119,818x = 179,719.40 × 46,794.88
  4. Step 4: Simplify right side
    119,818x = 8,409,947,756.67
  5. Step 5: Solve for x
    x = 8,409,947,756.67/119,818
  6. Step 6: Final answer
    x = 70,189.35

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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.