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Finding the Fourth Proportional to 92,951.34, 128,272.51 and 52,672.77

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Solution

The fourth proportional to 92,951.34, 128,272.51 and 52,672.77 is: 72,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,951.34 : 128,272.51 = 52,672.77 : x
  2. Step 2: Convert to fraction form
    92,951.34/128,272.51 = 52,672.77/x
  3. Step 3: Cross multiply
    92,951.34x = 128,272.51 × 52,672.77
  4. Step 4: Simplify right side
    92,951.34x = 6,756,468,416.55
  5. Step 5: Solve for x
    x = 6,756,468,416.55/92,951.34
  6. Step 6: Final answer
    x = 72,688.23

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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.