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Finding the Fourth Proportional to 93,694.79, 129,298.98 and 51,253.32

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Solution

The fourth proportional to 93,694.79, 129,298.98 and 51,253.32 is: 70,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,694.79 : 129,298.98 = 51,253.32 : x
  2. Step 2: Convert to fraction form
    93,694.79/129,298.98 = 51,253.32/x
  3. Step 3: Cross multiply
    93,694.79x = 129,298.98 × 51,253.32
  4. Step 4: Simplify right side
    93,694.79x = 6,627,002,674.68
  5. Step 5: Solve for x
    x = 6,627,002,674.68/93,694.79
  6. Step 6: Final answer
    x = 70,729.68

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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.