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Finding the Fourth Proportional to 153,453.65, 211,692.69 and 119,227.91

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Solution

The fourth proportional to 153,453.65, 211,692.69 and 119,227.91 is: 164,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,453.65 : 211,692.69 = 119,227.91 : x
  2. Step 2: Convert to fraction form
    153,453.65/211,692.69 = 119,227.91/x
  3. Step 3: Cross multiply
    153,453.65x = 211,692.69 × 119,227.91
  4. Step 4: Simplify right side
    153,453.65x = 25,239,676,081.36
  5. Step 5: Solve for x
    x = 25,239,676,081.36/153,453.65
  6. Step 6: Final answer
    x = 164,477.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.