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Finding the Fourth Proportional to 163,173.02, 244,809.63 and 77,892.69

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Solution

The fourth proportional to 163,173.02, 244,809.63 and 77,892.69 is: 116,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,173.02 : 244,809.63 = 77,892.69 : x
  2. Step 2: Convert to fraction form
    163,173.02/244,809.63 = 77,892.69/x
  3. Step 3: Cross multiply
    163,173.02x = 244,809.63 × 77,892.69
  4. Step 4: Simplify right side
    163,173.02x = 19,068,880,618.60
  5. Step 5: Solve for x
    x = 19,068,880,618.60/163,173.02
  6. Step 6: Final answer
    x = 116,862.95

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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.