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Finding the Fourth Proportional to 88,361.50, 121,937.91 and 52,550.74

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Solution

The fourth proportional to 88,361.50, 121,937.91 and 52,550.74 is: 72,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,361.50 : 121,937.91 = 52,550.74 : x
  2. Step 2: Convert to fraction form
    88,361.50/121,937.91 = 52,550.74/x
  3. Step 3: Cross multiply
    88,361.50x = 121,937.91 × 52,550.74
  4. Step 4: Simplify right side
    88,361.50x = 6,407,927,404.55
  5. Step 5: Solve for x
    x = 6,407,927,404.55/88,361.50
  6. Step 6: Final answer
    x = 72,519.45

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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.