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Finding the Fourth Proportional to 114,878.52, 158,529.29 and 63,888.62

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Solution

The fourth proportional to 114,878.52, 158,529.29 and 63,888.62 is: 88,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,878.52 : 158,529.29 = 63,888.62 : x
  2. Step 2: Convert to fraction form
    114,878.52/158,529.29 = 63,888.62/x
  3. Step 3: Cross multiply
    114,878.52x = 158,529.29 × 63,888.62
  4. Step 4: Simplify right side
    114,878.52x = 10,128,216,455.59
  5. Step 5: Solve for x
    x = 10,128,216,455.59/114,878.52
  6. Step 6: Final answer
    x = 88,164.58

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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.