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Finding the Fourth Proportional to 99,193.84, 136,917.84 and 58,914.16

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Solution

The fourth proportional to 99,193.84, 136,917.84 and 58,914.16 is: 81,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,193.84 : 136,917.84 = 58,914.16 : x
  2. Step 2: Convert to fraction form
    99,193.84/136,917.84 = 58,914.16/x
  3. Step 3: Cross multiply
    99,193.84x = 136,917.84 × 58,914.16
  4. Step 4: Simplify right side
    99,193.84x = 8,066,399,532.61
  5. Step 5: Solve for x
    x = 8,066,399,532.61/99,193.84
  6. Step 6: Final answer
    x = 81,319.56

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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.