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Finding the Fourth Proportional to 123,551.32, 185,256.77 and 48,630.87

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Solution

The fourth proportional to 123,551.32, 185,256.77 and 48,630.87 is: 72,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,551.32 : 185,256.77 = 48,630.87 : x
  2. Step 2: Convert to fraction form
    123,551.32/185,256.77 = 48,630.87/x
  3. Step 3: Cross multiply
    123,551.32x = 185,256.77 × 48,630.87
  4. Step 4: Simplify right side
    123,551.32x = 9,009,197,898.49
  5. Step 5: Solve for x
    x = 9,009,197,898.49/123,551.32
  6. Step 6: Final answer
    x = 72,918.67

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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.