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Finding the Fourth Proportional to 123,941.51, 171,038.48 and 67,352.88

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Solution

The fourth proportional to 123,941.51, 171,038.48 and 67,352.88 is: 92,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.51 : 171,038.48 = 67,352.88 : x
  2. Step 2: Convert to fraction form
    123,941.51/171,038.48 = 67,352.88/x
  3. Step 3: Cross multiply
    123,941.51x = 171,038.48 × 67,352.88
  4. Step 4: Simplify right side
    123,941.51x = 11,519,933,882.06
  5. Step 5: Solve for x
    x = 11,519,933,882.06/123,941.51
  6. Step 6: Final answer
    x = 92,946.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.