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Finding the Fourth Proportional to 223,332.04, 308,172.36 and 127,833.04

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Solution

The fourth proportional to 223,332.04, 308,172.36 and 127,833.04 is: 176,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,332.04 : 308,172.36 = 127,833.04 : x
  2. Step 2: Convert to fraction form
    223,332.04/308,172.36 = 127,833.04/x
  3. Step 3: Cross multiply
    223,332.04x = 308,172.36 × 127,833.04
  4. Step 4: Simplify right side
    223,332.04x = 39,394,609,622.77
  5. Step 5: Solve for x
    x = 39,394,609,622.77/223,332.04
  6. Step 6: Final answer
    x = 176,394.80

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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.