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Finding the Fourth Proportional to 88,713.48, 122,427.50 and 48,429.39

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Solution

The fourth proportional to 88,713.48, 122,427.50 and 48,429.39 is: 66,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,713.48 : 122,427.50 = 48,429.39 : x
  2. Step 2: Convert to fraction form
    88,713.48/122,427.50 = 48,429.39/x
  3. Step 3: Cross multiply
    88,713.48x = 122,427.50 × 48,429.39
  4. Step 4: Simplify right side
    88,713.48x = 5,929,089,633.60
  5. Step 5: Solve for x
    x = 5,929,089,633.60/88,713.48
  6. Step 6: Final answer
    x = 66,834.15

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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.