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Finding the Fourth Proportional to 119,379.84, 179,143.88 and 69,482.22

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Solution

The fourth proportional to 119,379.84, 179,143.88 and 69,482.22 is: 104,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,379.84 : 179,143.88 = 69,482.22 : x
  2. Step 2: Convert to fraction form
    119,379.84/179,143.88 = 69,482.22/x
  3. Step 3: Cross multiply
    119,379.84x = 179,143.88 × 69,482.22
  4. Step 4: Simplify right side
    119,379.84x = 12,447,314,134.40
  5. Step 5: Solve for x
    x = 12,447,314,134.40/119,379.84
  6. Step 6: Final answer
    x = 104,266.47

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1.5x scale

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.