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Finding the Fourth Proportional to 59,289.36, 88,948.62 and 54,429.36

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Solution

The fourth proportional to 59,289.36, 88,948.62 and 54,429.36 is: 81,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,289.36 : 88,948.62 = 54,429.36 : x
  2. Step 2: Convert to fraction form
    59,289.36/88,948.62 = 54,429.36/x
  3. Step 3: Cross multiply
    59,289.36x = 88,948.62 × 54,429.36
  4. Step 4: Simplify right side
    59,289.36x = 4,841,416,459.48
  5. Step 5: Solve for x
    x = 4,841,416,459.48/59,289.36
  6. Step 6: Final answer
    x = 81,657.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.