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Finding the Fourth Proportional to 123,622.74, 185,443.32 and 52,537.41

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Solution

The fourth proportional to 123,622.74, 185,443.32 and 52,537.41 is: 78,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,622.74 : 185,443.32 = 52,537.41 : x
  2. Step 2: Convert to fraction form
    123,622.74/185,443.32 = 52,537.41/x
  3. Step 3: Cross multiply
    123,622.74x = 185,443.32 × 52,537.41
  4. Step 4: Simplify right side
    123,622.74x = 9,742,711,931.62
  5. Step 5: Solve for x
    x = 9,742,711,931.62/123,622.74
  6. Step 6: Final answer
    x = 78,810.03

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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.