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Finding the Fourth Proportional to 64,156.98, 96,047.82 and 37,421.22

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Solution

The fourth proportional to 64,156.98, 96,047.82 and 37,421.22 is: 56,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156.98 : 96,047.82 = 37,421.22 : x
  2. Step 2: Convert to fraction form
    64,156.98/96,047.82 = 37,421.22/x
  3. Step 3: Cross multiply
    64,156.98x = 96,047.82 × 37,421.22
  4. Step 4: Simplify right side
    64,156.98x = 3,594,226,602.74
  5. Step 5: Solve for x
    x = 3,594,226,602.74/64,156.98
  6. Step 6: Final answer
    x = 56,022.38

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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.