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Finding the Fourth Proportional to 368,118.16, 552,189.60 and 101,856.40

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Solution

The fourth proportional to 368,118.16, 552,189.60 and 101,856.40 is: 152,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,118.16 : 552,189.60 = 101,856.40 : x
  2. Step 2: Convert to fraction form
    368,118.16/552,189.60 = 101,856.40/x
  3. Step 3: Cross multiply
    368,118.16x = 552,189.60 × 101,856.40
  4. Step 4: Simplify right side
    368,118.16x = 56,244,044,773.44
  5. Step 5: Solve for x
    x = 56,244,044,773.44/368,118.16
  6. Step 6: Final answer
    x = 152,788.02

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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.