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Finding the Fourth Proportional to 223,068.36, 307,823.58 and 127,585.56

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Solution

The fourth proportional to 223,068.36, 307,823.58 and 127,585.56 is: 176,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,068.36 : 307,823.58 = 127,585.56 : x
  2. Step 2: Convert to fraction form
    223,068.36/307,823.58 = 127,585.56/x
  3. Step 3: Cross multiply
    223,068.36x = 307,823.58 × 127,585.56
  4. Step 4: Simplify right side
    223,068.36x = 39,273,843,835.50
  5. Step 5: Solve for x
    x = 39,273,843,835.50/223,068.36
  6. Step 6: Final answer
    x = 176,061.92

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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.