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Finding the Fourth Proportional to 93,406.82, 128,901.39 and 50,965.52

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Solution

The fourth proportional to 93,406.82, 128,901.39 and 50,965.52 is: 70,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,406.82 : 128,901.39 = 50,965.52 : x
  2. Step 2: Convert to fraction form
    93,406.82/128,901.39 = 50,965.52/x
  3. Step 3: Cross multiply
    93,406.82x = 128,901.39 × 50,965.52
  4. Step 4: Simplify right side
    93,406.82x = 6,569,526,370.07
  5. Step 5: Solve for x
    x = 6,569,526,370.07/93,406.82
  6. Step 6: Final answer
    x = 70,332.41

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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.