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Finding the Fourth Proportional to 253,612.05, 380,443.44 and 93,730.02

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Solution

The fourth proportional to 253,612.05, 380,443.44 and 93,730.02 is: 140,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,612.05 : 380,443.44 = 93,730.02 : x
  2. Step 2: Convert to fraction form
    253,612.05/380,443.44 = 93,730.02/x
  3. Step 3: Cross multiply
    253,612.05x = 380,443.44 × 93,730.02
  4. Step 4: Simplify right side
    253,612.05x = 35,658,971,240.07
  5. Step 5: Solve for x
    x = 35,658,971,240.07/253,612.05
  6. Step 6: Final answer
    x = 140,604.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.