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Finding the Fourth Proportional to 66,160.16, 99,256.40 and 32,895.88

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Solution

The fourth proportional to 66,160.16, 99,256.40 and 32,895.88 is: 49,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,160.16 : 99,256.40 = 32,895.88 : x
  2. Step 2: Convert to fraction form
    66,160.16/99,256.40 = 32,895.88/x
  3. Step 3: Cross multiply
    66,160.16x = 99,256.40 × 32,895.88
  4. Step 4: Simplify right side
    66,160.16x = 3,265,126,623.63
  5. Step 5: Solve for x
    x = 3,265,126,623.63/66,160.16
  6. Step 6: Final answer
    x = 49,351.86

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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.