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Finding the Fourth Proportional to 110,945, 153,104.64 and 60,644

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Solution

The fourth proportional to 110,945, 153,104.64 and 60,644 is: 83,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,945 : 153,104.64 = 60,644 : x
  2. Step 2: Convert to fraction form
    110,945/153,104.64 = 60,644/x
  3. Step 3: Cross multiply
    110,945x = 153,104.64 × 60,644
  4. Step 4: Simplify right side
    110,945x = 9,284,877,788.16
  5. Step 5: Solve for x
    x = 9,284,877,788.16/110,945
  6. Step 6: Final answer
    x = 83,689.02

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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.