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Finding the Fourth Proportional to 93,171.80, 128,575.80 and 50,730.33

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Solution

The fourth proportional to 93,171.80, 128,575.80 and 50,730.33 is: 70,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,171.80 : 128,575.80 = 50,730.33 : x
  2. Step 2: Convert to fraction form
    93,171.80/128,575.80 = 50,730.33/x
  3. Step 3: Cross multiply
    93,171.80x = 128,575.80 × 50,730.33
  4. Step 4: Simplify right side
    93,171.80x = 6,522,692,764.01
  5. Step 5: Solve for x
    x = 6,522,692,764.01/93,171.80
  6. Step 6: Final answer
    x = 70,007.16

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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.