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Finding the Fourth Proportional to 93,246.80, 128,682.06 and 50,805.32

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Solution

The fourth proportional to 93,246.80, 128,682.06 and 50,805.32 is: 70,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,246.80 : 128,682.06 = 50,805.32 : x
  2. Step 2: Convert to fraction form
    93,246.80/128,682.06 = 50,805.32/x
  3. Step 3: Cross multiply
    93,246.80x = 128,682.06 × 50,805.32
  4. Step 4: Simplify right side
    93,246.80x = 6,537,733,236.56
  5. Step 5: Solve for x
    x = 6,537,733,236.56/93,246.80
  6. Step 6: Final answer
    x = 70,112.15

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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.