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Finding the Fourth Proportional to 234,838.08, 352,278.52 and 66,360.84

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Solution

The fourth proportional to 234,838.08, 352,278.52 and 66,360.84 is: 99,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,838.08 : 352,278.52 = 66,360.84 : x
  2. Step 2: Convert to fraction form
    234,838.08/352,278.52 = 66,360.84/x
  3. Step 3: Cross multiply
    234,838.08x = 352,278.52 × 66,360.84
  4. Step 4: Simplify right side
    234,838.08x = 23,377,498,501.16
  5. Step 5: Solve for x
    x = 23,377,498,501.16/234,838.08
  6. Step 6: Final answer
    x = 99,547.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.