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Finding the Fourth Proportional to 88,635.69, 122,317.16 and 48,349.53

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Solution

The fourth proportional to 88,635.69, 122,317.16 and 48,349.53 is: 66,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,635.69 : 122,317.16 = 48,349.53 : x
  2. Step 2: Convert to fraction form
    88,635.69/122,317.16 = 48,349.53/x
  3. Step 3: Cross multiply
    88,635.69x = 122,317.16 × 48,349.53
  4. Step 4: Simplify right side
    88,635.69x = 5,913,976,955.19
  5. Step 5: Solve for x
    x = 5,913,976,955.19/88,635.69
  6. Step 6: Final answer
    x = 66,722.30

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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.