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Finding the Fourth Proportional to 234,978.01, 324,269.85 and 127,547.98

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Solution

The fourth proportional to 234,978.01, 324,269.85 and 127,547.98 is: 176,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,978.01 : 324,269.85 = 127,547.98 : x
  2. Step 2: Convert to fraction form
    234,978.01/324,269.85 = 127,547.98/x
  3. Step 3: Cross multiply
    234,978.01x = 324,269.85 × 127,547.98
  4. Step 4: Simplify right side
    234,978.01x = 41,359,964,342.40
  5. Step 5: Solve for x
    x = 41,359,964,342.40/234,978.01
  6. Step 6: Final answer
    x = 176,016.32

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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.