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Finding the Fourth Proportional to 175,099.78, 241,638.72 and 99,648.28

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Solution

The fourth proportional to 175,099.78, 241,638.72 and 99,648.28 is: 137,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,099.78 : 241,638.72 = 99,648.28 : x
  2. Step 2: Convert to fraction form
    175,099.78/241,638.72 = 99,648.28/x
  3. Step 3: Cross multiply
    175,099.78x = 241,638.72 × 99,648.28
  4. Step 4: Simplify right side
    175,099.78x = 24,078,882,829.40
  5. Step 5: Solve for x
    x = 24,078,882,829.40/175,099.78
  6. Step 6: Final answer
    x = 137,515.21

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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.