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Finding the Fourth Proportional to 93,446.54, 128,944.17 and 52,605.51

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Solution

The fourth proportional to 93,446.54, 128,944.17 and 52,605.51 is: 72,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,446.54 : 128,944.17 = 52,605.51 : x
  2. Step 2: Convert to fraction form
    93,446.54/128,944.17 = 52,605.51/x
  3. Step 3: Cross multiply
    93,446.54x = 128,944.17 × 52,605.51
  4. Step 4: Simplify right side
    93,446.54x = 6,783,174,505.19
  5. Step 5: Solve for x
    x = 6,783,174,505.19/93,446.54
  6. Step 6: Final answer
    x = 72,588.82

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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.