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Finding the Fourth Proportional to 223,329.04, 308,168.22 and 127,830.04

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Solution

The fourth proportional to 223,329.04, 308,168.22 and 127,830.04 is: 176,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,329.04 : 308,168.22 = 127,830.04 : x
  2. Step 2: Convert to fraction form
    223,329.04/308,168.22 = 127,830.04/x
  3. Step 3: Cross multiply
    223,329.04x = 308,168.22 × 127,830.04
  4. Step 4: Simplify right side
    223,329.04x = 39,393,155,889.33
  5. Step 5: Solve for x
    x = 39,393,155,889.33/223,329.04
  6. Step 6: Final answer
    x = 176,390.66

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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.