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Finding the Fourth Proportional to 270,981.37, 406,658.63 and 93,488.55

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Solution

The fourth proportional to 270,981.37, 406,658.63 and 93,488.55 is: 140,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,981.37 : 406,658.63 = 93,488.55 : x
  2. Step 2: Convert to fraction form
    270,981.37/406,658.63 = 93,488.55/x
  3. Step 3: Cross multiply
    270,981.37x = 406,658.63 × 93,488.55
  4. Step 4: Simplify right side
    270,981.37x = 38,017,925,663.69
  5. Step 5: Solve for x
    x = 38,017,925,663.69/270,981.37
  6. Step 6: Final answer
    x = 140,297.19

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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.