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Finding the Fourth Proportional to 63,630, 94,772.88 and 60,299.28

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Solution

The fourth proportional to 63,630, 94,772.88 and 60,299.28 is: 89,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,630 : 94,772.88 = 60,299.28 : x
  2. Step 2: Convert to fraction form
    63,630/94,772.88 = 60,299.28/x
  3. Step 3: Cross multiply
    63,630x = 94,772.88 × 60,299.28
  4. Step 4: Simplify right side
    63,630x = 5,714,736,427.53
  5. Step 5: Solve for x
    x = 5,714,736,427.53/63,630
  6. Step 6: Final answer
    x = 89,811.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.