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Finding the Fourth Proportional to 110,036.76, 151,846.08 and 61,643.34

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Solution

The fourth proportional to 110,036.76, 151,846.08 and 61,643.34 is: 85,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,036.76 : 151,846.08 = 61,643.34 : x
  2. Step 2: Convert to fraction form
    110,036.76/151,846.08 = 61,643.34/x
  3. Step 3: Cross multiply
    110,036.76x = 151,846.08 × 61,643.34
  4. Step 4: Simplify right side
    110,036.76x = 9,360,299,537.11
  5. Step 5: Solve for x
    x = 9,360,299,537.11/110,036.76
  6. Step 6: Final answer
    x = 85,065.20

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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.