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Finding the Fourth Proportional to 119,495.39, 179,075.81 and 89,878.55

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Solution

The fourth proportional to 119,495.39, 179,075.81 and 89,878.55 is: 134,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,495.39 : 179,075.81 = 89,878.55 : x
  2. Step 2: Convert to fraction form
    119,495.39/179,075.81 = 89,878.55/x
  3. Step 3: Cross multiply
    119,495.39x = 179,075.81 × 89,878.55
  4. Step 4: Simplify right side
    119,495.39x = 16,095,073,472.19
  5. Step 5: Solve for x
    x = 16,095,073,472.19/119,495.39
  6. Step 6: Final answer
    x = 134,692.01

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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.