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Finding the Fourth Proportional to 107,700, 161,530.50 and 37,599.36

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Solution

The fourth proportional to 107,700, 161,530.50 and 37,599.36 is: 56,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,700 : 161,530.50 = 37,599.36 : x
  2. Step 2: Convert to fraction form
    107,700/161,530.50 = 37,599.36/x
  3. Step 3: Cross multiply
    107,700x = 161,530.50 × 37,599.36
  4. Step 4: Simplify right side
    107,700x = 6,073,443,420.48
  5. Step 5: Solve for x
    x = 6,073,443,420.48/107,700
  6. Step 6: Final answer
    x = 56,392.23

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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.