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Finding the Fourth Proportional to 114,465.09, 157,961.02 and 63,477.76

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Solution

The fourth proportional to 114,465.09, 157,961.02 and 63,477.76 is: 87,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,465.09 : 157,961.02 = 63,477.76 : x
  2. Step 2: Convert to fraction form
    114,465.09/157,961.02 = 63,477.76/x
  3. Step 3: Cross multiply
    114,465.09x = 157,961.02 × 63,477.76
  4. Step 4: Simplify right side
    114,465.09x = 10,027,011,716.92
  5. Step 5: Solve for x
    x = 10,027,011,716.92/114,465.09
  6. Step 6: Final answer
    x = 87,598.86

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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.