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Finding the Fourth Proportional to 95,506.40, 143,288.40 and 51,154.40

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Solution

The fourth proportional to 95,506.40, 143,288.40 and 51,154.40 is: 76,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,506.40 : 143,288.40 = 51,154.40 : x
  2. Step 2: Convert to fraction form
    95,506.40/143,288.40 = 51,154.40/x
  3. Step 3: Cross multiply
    95,506.40x = 143,288.40 × 51,154.40
  4. Step 4: Simplify right side
    95,506.40x = 7,329,832,128.96
  5. Step 5: Solve for x
    x = 7,329,832,128.96/95,506.40
  6. Step 6: Final answer
    x = 76,747.03

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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.