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Finding the Fourth Proportional to 93,809.16, 129,456.84 and 50,789.10

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Solution

The fourth proportional to 93,809.16, 129,456.84 and 50,789.10 is: 70,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,809.16 : 129,456.84 = 50,789.10 : x
  2. Step 2: Convert to fraction form
    93,809.16/129,456.84 = 50,789.10/x
  3. Step 3: Cross multiply
    93,809.16x = 129,456.84 × 50,789.10
  4. Step 4: Simplify right side
    93,809.16x = 6,574,996,392.44
  5. Step 5: Solve for x
    x = 6,574,996,392.44/93,809.16
  6. Step 6: Final answer
    x = 70,089.07

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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.