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Finding the Fourth Proportional to 110,919.06, 153,068.40 and 60,618.06

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Solution

The fourth proportional to 110,919.06, 153,068.40 and 60,618.06 is: 83,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,919.06 : 153,068.40 = 60,618.06 : x
  2. Step 2: Convert to fraction form
    110,919.06/153,068.40 = 60,618.06/x
  3. Step 3: Cross multiply
    110,919.06x = 153,068.40 × 60,618.06
  4. Step 4: Simplify right side
    110,919.06x = 9,278,709,455.30
  5. Step 5: Solve for x
    x = 9,278,709,455.30/110,919.06
  6. Step 6: Final answer
    x = 83,652.98

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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.