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Finding the Fourth Proportional to 259,650.90, 358,319.70 and 146,480.94

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Solution

The fourth proportional to 259,650.90, 358,319.70 and 146,480.94 is: 202,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,650.90 : 358,319.70 = 146,480.94 : x
  2. Step 2: Convert to fraction form
    259,650.90/358,319.70 = 146,480.94/x
  3. Step 3: Cross multiply
    259,650.90x = 358,319.70 × 146,480.94
  4. Step 4: Simplify right side
    259,650.90x = 52,487,006,476.52
  5. Step 5: Solve for x
    x = 52,487,006,476.52/259,650.90
  6. Step 6: Final answer
    x = 202,144.52

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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.