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Finding the Fourth Proportional to 270,927.12, 406,410.14 and 93,431.55

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Solution

The fourth proportional to 270,927.12, 406,410.14 and 93,431.55 is: 140,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,927.12 : 406,410.14 = 93,431.55 : x
  2. Step 2: Convert to fraction form
    270,927.12/406,410.14 = 93,431.55/x
  3. Step 3: Cross multiply
    270,927.12x = 406,410.14 × 93,431.55
  4. Step 4: Simplify right side
    270,927.12x = 37,971,529,315.92
  5. Step 5: Solve for x
    x = 37,971,529,315.92/270,927.12
  6. Step 6: Final answer
    x = 140,154.04

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1.5x scale

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.