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Finding the Fourth Proportional to 234,436.40, 323,521.80 and 127,009.12

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Solution

The fourth proportional to 234,436.40, 323,521.80 and 127,009.12 is: 175,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,436.40 : 323,521.80 = 127,009.12 : x
  2. Step 2: Convert to fraction form
    234,436.40/323,521.80 = 127,009.12/x
  3. Step 3: Cross multiply
    234,436.40x = 323,521.80 × 127,009.12
  4. Step 4: Simplify right side
    234,436.40x = 41,090,219,118.82
  5. Step 5: Solve for x
    x = 41,090,219,118.82/234,436.40
  6. Step 6: Final answer
    x = 175,272.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.