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Finding the Fourth Proportional to 326,153.49, 489,276.33 and 101,536.59

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Solution

The fourth proportional to 326,153.49, 489,276.33 and 101,536.59 is: 152,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,153.49 : 489,276.33 = 101,536.59 : x
  2. Step 2: Convert to fraction form
    326,153.49/489,276.33 = 101,536.59/x
  3. Step 3: Cross multiply
    326,153.49x = 489,276.33 × 101,536.59
  4. Step 4: Simplify right side
    326,153.49x = 49,679,450,115.91
  5. Step 5: Solve for x
    x = 49,679,450,115.91/326,153.49
  6. Step 6: Final answer
    x = 152,319.24

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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.