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Finding the Fourth Proportional to 66,020.16, 99,041.16 and 32,741.30

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Solution

The fourth proportional to 66,020.16, 99,041.16 and 32,741.30 is: 49,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,020.16 : 99,041.16 = 32,741.30 : x
  2. Step 2: Convert to fraction form
    66,020.16/99,041.16 = 32,741.30/x
  3. Step 3: Cross multiply
    66,020.16x = 99,041.16 × 32,741.30
  4. Step 4: Simplify right side
    66,020.16x = 3,242,736,331.91
  5. Step 5: Solve for x
    x = 3,242,736,331.91/66,020.16
  6. Step 6: Final answer
    x = 49,117.37

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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.