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Finding the Fourth Proportional to 147,382.72, 220,889.10 and 63,043.72

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Solution

The fourth proportional to 147,382.72, 220,889.10 and 63,043.72 is: 94,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,382.72 : 220,889.10 = 63,043.72 : x
  2. Step 2: Convert to fraction form
    147,382.72/220,889.10 = 63,043.72/x
  3. Step 3: Cross multiply
    147,382.72x = 220,889.10 × 63,043.72
  4. Step 4: Simplify right side
    147,382.72x = 13,925,670,571.45
  5. Step 5: Solve for x
    x = 13,925,670,571.45/147,382.72
  6. Step 6: Final answer
    x = 94,486.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.