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Finding the Fourth Proportional to 368,565.55, 552,786.66 and 102,352.97

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Solution

The fourth proportional to 368,565.55, 552,786.66 and 102,352.97 is: 153,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,565.55 : 552,786.66 = 102,352.97 : x
  2. Step 2: Convert to fraction form
    368,565.55/552,786.66 = 102,352.97/x
  3. Step 3: Cross multiply
    368,565.55x = 552,786.66 × 102,352.97
  4. Step 4: Simplify right side
    368,565.55x = 56,579,357,809.35
  5. Step 5: Solve for x
    x = 56,579,357,809.35/368,565.55
  6. Step 6: Final answer
    x = 153,512.34

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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.