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Finding the Fourth Proportional to 64,154.63, 88,480.25 and 48,287.95

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Solution

The fourth proportional to 64,154.63, 88,480.25 and 48,287.95 is: 66,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154.63 : 88,480.25 = 48,287.95 : x
  2. Step 2: Convert to fraction form
    64,154.63/88,480.25 = 48,287.95/x
  3. Step 3: Cross multiply
    64,154.63x = 88,480.25 × 48,287.95
  4. Step 4: Simplify right side
    64,154.63x = 4,272,529,606.43
  5. Step 5: Solve for x
    x = 4,272,529,606.43/64,154.63
  6. Step 6: Final answer
    x = 66,597.37

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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.