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Finding the Fourth Proportional to 94,705.70, 130,743.02 and 69,183.42

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Solution

The fourth proportional to 94,705.70, 130,743.02 and 69,183.42 is: 95,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,705.70 : 130,743.02 = 69,183.42 : x
  2. Step 2: Convert to fraction form
    94,705.70/130,743.02 = 69,183.42/x
  3. Step 3: Cross multiply
    94,705.70x = 130,743.02 × 69,183.42
  4. Step 4: Simplify right side
    94,705.70x = 9,045,249,264.73
  5. Step 5: Solve for x
    x = 9,045,249,264.73/94,705.70
  6. Step 6: Final answer
    x = 95,509.03

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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.