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Finding the Fourth Proportional to 114,642.51, 158,198.95 and 63,652.60

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Solution

The fourth proportional to 114,642.51, 158,198.95 and 63,652.60 is: 87,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,642.51 : 158,198.95 = 63,652.60 : x
  2. Step 2: Convert to fraction form
    114,642.51/158,198.95 = 63,652.60/x
  3. Step 3: Cross multiply
    114,642.51x = 158,198.95 × 63,652.60
  4. Step 4: Simplify right side
    114,642.51x = 10,069,774,484.77
  5. Step 5: Solve for x
    x = 10,069,774,484.77/114,642.51
  6. Step 6: Final answer
    x = 87,836.31

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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.