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Finding the Fourth Proportional to 93,228.80, 139,843.20 and 26,672.90

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Solution

The fourth proportional to 93,228.80, 139,843.20 and 26,672.90 is: 40,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,228.80 : 139,843.20 = 26,672.90 : x
  2. Step 2: Convert to fraction form
    93,228.80/139,843.20 = 26,672.90/x
  3. Step 3: Cross multiply
    93,228.80x = 139,843.20 × 26,672.90
  4. Step 4: Simplify right side
    93,228.80x = 3,730,023,689.28
  5. Step 5: Solve for x
    x = 3,730,023,689.28/93,228.80
  6. Step 6: Final answer
    x = 40,009.35

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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.