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Finding the Fourth Proportional to 368,440.17, 552,660.23 and 102,200.68

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Solution

The fourth proportional to 368,440.17, 552,660.23 and 102,200.68 is: 153,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,440.17 : 552,660.23 = 102,200.68 : x
  2. Step 2: Convert to fraction form
    368,440.17/552,660.23 = 102,200.68/x
  3. Step 3: Cross multiply
    368,440.17x = 552,660.23 × 102,200.68
  4. Step 4: Simplify right side
    368,440.17x = 56,482,251,314.96
  5. Step 5: Solve for x
    x = 56,482,251,314.96/368,440.17
  6. Step 6: Final answer
    x = 153,301.01

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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.