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Finding the Fourth Proportional to 68,117.76, 93,800.30 and 48,963.76

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Solution

The fourth proportional to 68,117.76, 93,800.30 and 48,963.76 is: 67,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,117.76 : 93,800.30 = 48,963.76 : x
  2. Step 2: Convert to fraction form
    68,117.76/93,800.30 = 48,963.76/x
  3. Step 3: Cross multiply
    68,117.76x = 93,800.30 × 48,963.76
  4. Step 4: Simplify right side
    68,117.76x = 4,592,814,897.81
  5. Step 5: Solve for x
    x = 4,592,814,897.81/68,117.76
  6. Step 6: Final answer
    x = 67,424.63

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1.5x scale

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.