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Finding the Fourth Proportional to 160,492.66, 240,738.40 and 48,172.39

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Solution

The fourth proportional to 160,492.66, 240,738.40 and 48,172.39 is: 72,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,492.66 : 240,738.40 = 48,172.39 : x
  2. Step 2: Convert to fraction form
    160,492.66/240,738.40 = 48,172.39/x
  3. Step 3: Cross multiply
    160,492.66x = 240,738.40 × 48,172.39
  4. Step 4: Simplify right side
    160,492.66x = 11,596,944,092.78
  5. Step 5: Solve for x
    x = 11,596,944,092.78/160,492.66
  6. Step 6: Final answer
    x = 72,258.41

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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.