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Finding the Fourth Proportional to 110,216.47, 152,089 and 61,159.32

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Solution

The fourth proportional to 110,216.47, 152,089 and 61,159.32 is: 84,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,216.47 : 152,089 = 61,159.32 : x
  2. Step 2: Convert to fraction form
    110,216.47/152,089 = 61,159.32/x
  3. Step 3: Cross multiply
    110,216.47x = 152,089 × 61,159.32
  4. Step 4: Simplify right side
    110,216.47x = 9,301,659,819.48
  5. Step 5: Solve for x
    x = 9,301,659,819.48/110,216.47
  6. Step 6: Final answer
    x = 84,394.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.