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Finding the Fourth Proportional to 110,724.98, 152,800.43 and 60,423.98

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Solution

The fourth proportional to 110,724.98, 152,800.43 and 60,423.98 is: 83,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,724.98 : 152,800.43 = 60,423.98 : x
  2. Step 2: Convert to fraction form
    110,724.98/152,800.43 = 60,423.98/x
  3. Step 3: Cross multiply
    110,724.98x = 152,800.43 × 60,423.98
  4. Step 4: Simplify right side
    110,724.98x = 9,232,809,060.19
  5. Step 5: Solve for x
    x = 9,232,809,060.19/110,724.98
  6. Step 6: Final answer
    x = 83,385.06

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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.