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Finding the Fourth Proportional to 124,264.72, 171,484.02 and 67,676.08

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Solution

The fourth proportional to 124,264.72, 171,484.02 and 67,676.08 is: 93,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,264.72 : 171,484.02 = 67,676.08 : x
  2. Step 2: Convert to fraction form
    124,264.72/171,484.02 = 67,676.08/x
  3. Step 3: Cross multiply
    124,264.72x = 171,484.02 × 67,676.08
  4. Step 4: Simplify right side
    124,264.72x = 11,605,366,256.24
  5. Step 5: Solve for x
    x = 11,605,366,256.24/124,264.72
  6. Step 6: Final answer
    x = 93,392.29

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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.