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Finding the Fourth Proportional to 114,426.48, 157,917.86 and 63,455.17

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Solution

The fourth proportional to 114,426.48, 157,917.86 and 63,455.17 is: 87,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,426.48 : 157,917.86 = 63,455.17 : x
  2. Step 2: Convert to fraction form
    114,426.48/157,917.86 = 63,455.17/x
  3. Step 3: Cross multiply
    114,426.48x = 157,917.86 × 63,455.17
  4. Step 4: Simplify right side
    114,426.48x = 10,020,704,652.34
  5. Step 5: Solve for x
    x = 10,020,704,652.34/114,426.48
  6. Step 6: Final answer
    x = 87,573.30

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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.