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Finding the Fourth Proportional to 95,872.90, 143,809.35 and 43,384.90

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Solution

The fourth proportional to 95,872.90, 143,809.35 and 43,384.90 is: 65,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,872.90 : 143,809.35 = 43,384.90 : x
  2. Step 2: Convert to fraction form
    95,872.90/143,809.35 = 43,384.90/x
  3. Step 3: Cross multiply
    95,872.90x = 143,809.35 × 43,384.90
  4. Step 4: Simplify right side
    95,872.90x = 6,239,154,268.82
  5. Step 5: Solve for x
    x = 6,239,154,268.82/95,872.90
  6. Step 6: Final answer
    x = 65,077.35

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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.