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Finding the Fourth Proportional to 110,645, 152,690.10 and 60,344.36

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Solution

The fourth proportional to 110,645, 152,690.10 and 60,344.36 is: 83,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,645 : 152,690.10 = 60,344.36 : x
  2. Step 2: Convert to fraction form
    110,645/152,690.10 = 60,344.36/x
  3. Step 3: Cross multiply
    110,645x = 152,690.10 × 60,344.36
  4. Step 4: Simplify right side
    110,645x = 9,213,986,362.84
  5. Step 5: Solve for x
    x = 9,213,986,362.84/110,645
  6. Step 6: Final answer
    x = 83,275.22

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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.