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Finding the Fourth Proportional to 88,653.69, 122,344.43 and 54,203.58

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Solution

The fourth proportional to 88,653.69, 122,344.43 and 54,203.58 is: 74,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,653.69 : 122,344.43 = 54,203.58 : x
  2. Step 2: Convert to fraction form
    88,653.69/122,344.43 = 54,203.58/x
  3. Step 3: Cross multiply
    88,653.69x = 122,344.43 × 54,203.58
  4. Step 4: Simplify right side
    88,653.69x = 6,631,505,828.04
  5. Step 5: Solve for x
    x = 6,631,505,828.04/88,653.69
  6. Step 6: Final answer
    x = 74,802.37

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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.