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Finding the Fourth Proportional to 114,056.82, 157,395.33 and 63,765.54

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Solution

The fourth proportional to 114,056.82, 157,395.33 and 63,765.54 is: 87,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,056.82 : 157,395.33 = 63,765.54 : x
  2. Step 2: Convert to fraction form
    114,056.82/157,395.33 = 63,765.54/x
  3. Step 3: Cross multiply
    114,056.82x = 157,395.33 × 63,765.54
  4. Step 4: Simplify right side
    114,056.82x = 10,036,398,210.93
  5. Step 5: Solve for x
    x = 10,036,398,210.93/114,056.82
  6. Step 6: Final answer
    x = 87,994.72

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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.