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Finding the Fourth Proportional to 92,803.55, 139,225.77 and 39,492.68

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Solution

The fourth proportional to 92,803.55, 139,225.77 and 39,492.68 is: 59,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,803.55 : 139,225.77 = 39,492.68 : x
  2. Step 2: Convert to fraction form
    92,803.55/139,225.77 = 39,492.68/x
  3. Step 3: Cross multiply
    92,803.55x = 139,225.77 × 39,492.68
  4. Step 4: Simplify right side
    92,803.55x = 5,498,398,086.23
  5. Step 5: Solve for x
    x = 5,498,398,086.23/92,803.55
  6. Step 6: Final answer
    x = 59,247.72

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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.