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Finding the Fourth Proportional to 234,480.71, 323,582.39 and 127,051.17

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Solution

The fourth proportional to 234,480.71, 323,582.39 and 127,051.17 is: 175,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,480.71 : 323,582.39 = 127,051.17 : x
  2. Step 2: Convert to fraction form
    234,480.71/323,582.39 = 127,051.17/x
  3. Step 3: Cross multiply
    234,480.71x = 323,582.39 × 127,051.17
  4. Step 4: Simplify right side
    234,480.71x = 41,111,520,605.64
  5. Step 5: Solve for x
    x = 41,111,520,605.64/234,480.71
  6. Step 6: Final answer
    x = 175,330.08

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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.