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Finding the Fourth Proportional to 95,875.60, 143,813.40 and 86,544.40

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Solution

The fourth proportional to 95,875.60, 143,813.40 and 86,544.40 is: 129,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,875.60 : 143,813.40 = 86,544.40 : x
  2. Step 2: Convert to fraction form
    95,875.60/143,813.40 = 86,544.40/x
  3. Step 3: Cross multiply
    95,875.60x = 143,813.40 × 86,544.40
  4. Step 4: Simplify right side
    95,875.60x = 12,446,244,414.96
  5. Step 5: Solve for x
    x = 12,446,244,414.96/95,875.60
  6. Step 6: Final answer
    x = 129,816.60

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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.