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Finding the Fourth Proportional to 93,288.66, 128,734.56 and 50,846.28

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Solution

The fourth proportional to 93,288.66, 128,734.56 and 50,846.28 is: 70,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,288.66 : 128,734.56 = 50,846.28 : x
  2. Step 2: Convert to fraction form
    93,288.66/128,734.56 = 50,846.28/x
  3. Step 3: Cross multiply
    93,288.66x = 128,734.56 × 50,846.28
  4. Step 4: Simplify right side
    93,288.66x = 6,545,673,483.44
  5. Step 5: Solve for x
    x = 6,545,673,483.44/93,288.66
  6. Step 6: Final answer
    x = 70,165.80

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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.