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Finding the Fourth Proportional to 181,459.62, 250,408.80 and 100,888.92

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Solution

The fourth proportional to 181,459.62, 250,408.80 and 100,888.92 is: 139,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,459.62 : 250,408.80 = 100,888.92 : x
  2. Step 2: Convert to fraction form
    181,459.62/250,408.80 = 100,888.92/x
  3. Step 3: Cross multiply
    181,459.62x = 250,408.80 × 100,888.92
  4. Step 4: Simplify right side
    181,459.62x = 25,263,473,390.50
  5. Step 5: Solve for x
    x = 25,263,473,390.50/181,459.62
  6. Step 6: Final answer
    x = 139,223.67

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1.5x scale

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.