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Finding the Fourth Proportional to 231,483.81, 347,258.98 and 71,572.22

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Solution

The fourth proportional to 231,483.81, 347,258.98 and 71,572.22 is: 107,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,483.81 : 347,258.98 = 71,572.22 : x
  2. Step 2: Convert to fraction form
    231,483.81/347,258.98 = 71,572.22/x
  3. Step 3: Cross multiply
    231,483.81x = 347,258.98 × 71,572.22
  4. Step 4: Simplify right side
    231,483.81x = 24,854,095,245.39
  5. Step 5: Solve for x
    x = 24,854,095,245.39/231,483.81
  6. Step 6: Final answer
    x = 107,368.61

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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.