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Finding the Fourth Proportional to 64,943.46, 97,342.29 and 42,497.22

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Solution

The fourth proportional to 64,943.46, 97,342.29 and 42,497.22 is: 63,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,943.46 : 97,342.29 = 42,497.22 : x
  2. Step 2: Convert to fraction form
    64,943.46/97,342.29 = 42,497.22/x
  3. Step 3: Cross multiply
    64,943.46x = 97,342.29 × 42,497.22
  4. Step 4: Simplify right side
    64,943.46x = 4,136,776,713.43
  5. Step 5: Solve for x
    x = 4,136,776,713.43/64,943.46
  6. Step 6: Final answer
    x = 63,698.13

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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.