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Finding the Fourth Proportional to 64,881.40, 97,322.10 and 41,534.20

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Solution

The fourth proportional to 64,881.40, 97,322.10 and 41,534.20 is: 62,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.40 : 97,322.10 = 41,534.20 : x
  2. Step 2: Convert to fraction form
    64,881.40/97,322.10 = 41,534.20/x
  3. Step 3: Cross multiply
    64,881.40x = 97,322.10 × 41,534.20
  4. Step 4: Simplify right side
    64,881.40x = 4,042,195,565.82
  5. Step 5: Solve for x
    x = 4,042,195,565.82/64,881.40
  6. Step 6: Final answer
    x = 62,301.30

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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.