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Finding the Fourth Proportional to 144,676.18, 217,154.55 and 69,849.10

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Solution

The fourth proportional to 144,676.18, 217,154.55 and 69,849.10 is: 104,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,676.18 : 217,154.55 = 69,849.10 : x
  2. Step 2: Convert to fraction form
    144,676.18/217,154.55 = 69,849.10/x
  3. Step 3: Cross multiply
    144,676.18x = 217,154.55 × 69,849.10
  4. Step 4: Simplify right side
    144,676.18x = 15,168,049,878.41
  5. Step 5: Solve for x
    x = 15,168,049,878.41/144,676.18
  6. Step 6: Final answer
    x = 104,841.38

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1.5x scale

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.