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Finding the Fourth Proportional to 73,580.16, 110,370.48 and 18,176.16

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Solution

The fourth proportional to 73,580.16, 110,370.48 and 18,176.16 is: 27,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,580.16 : 110,370.48 = 18,176.16 : x
  2. Step 2: Convert to fraction form
    73,580.16/110,370.48 = 18,176.16/x
  3. Step 3: Cross multiply
    73,580.16x = 110,370.48 × 18,176.16
  4. Step 4: Simplify right side
    73,580.16x = 2,006,111,503.76
  5. Step 5: Solve for x
    x = 2,006,111,503.76/73,580.16
  6. Step 6: Final answer
    x = 27,264.30

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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.