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Finding the Fourth Proportional to 93,179.60, 128,555.04 and 60,933.09

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Solution

The fourth proportional to 93,179.60, 128,555.04 and 60,933.09 is: 84,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,179.60 : 128,555.04 = 60,933.09 : x
  2. Step 2: Convert to fraction form
    93,179.60/128,555.04 = 60,933.09/x
  3. Step 3: Cross multiply
    93,179.60x = 128,555.04 × 60,933.09
  4. Step 4: Simplify right side
    93,179.60x = 7,833,255,822.27
  5. Step 5: Solve for x
    x = 7,833,255,822.27/93,179.60
  6. Step 6: Final answer
    x = 84,066.21

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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.