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Finding the Fourth Proportional to 88,798.53, 122,544.38 and 53,009.31

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Solution

The fourth proportional to 88,798.53, 122,544.38 and 53,009.31 is: 73,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,798.53 : 122,544.38 = 53,009.31 : x
  2. Step 2: Convert to fraction form
    88,798.53/122,544.38 = 53,009.31/x
  3. Step 3: Cross multiply
    88,798.53x = 122,544.38 × 53,009.31
  4. Step 4: Simplify right side
    88,798.53x = 6,495,993,028.18
  5. Step 5: Solve for x
    x = 6,495,993,028.18/88,798.53
  6. Step 6: Final answer
    x = 73,154.29

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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.