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Finding the Fourth Proportional to 229,075.88, 343,496.43 and 121,063.32

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Solution

The fourth proportional to 229,075.88, 343,496.43 and 121,063.32 is: 181,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,075.88 : 343,496.43 = 121,063.32 : x
  2. Step 2: Convert to fraction form
    229,075.88/343,496.43 = 121,063.32/x
  3. Step 3: Cross multiply
    229,075.88x = 343,496.43 × 121,063.32
  4. Step 4: Simplify right side
    229,075.88x = 41,584,818,223.95
  5. Step 5: Solve for x
    x = 41,584,818,223.95/229,075.88
  6. Step 6: Final answer
    x = 181,532.95

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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.