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Finding the Fourth Proportional to 92,894.92, 139,347.58 and 29,720.60

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Solution

The fourth proportional to 92,894.92, 139,347.58 and 29,720.60 is: 44,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,894.92 : 139,347.58 = 29,720.60 : x
  2. Step 2: Convert to fraction form
    92,894.92/139,347.58 = 29,720.60/x
  3. Step 3: Cross multiply
    92,894.92x = 139,347.58 × 29,720.60
  4. Step 4: Simplify right side
    92,894.92x = 4,141,493,686.15
  5. Step 5: Solve for x
    x = 4,141,493,686.15/92,894.92
  6. Step 6: Final answer
    x = 44,582.56

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1.5x scale

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.