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Finding the Fourth Proportional to 93,232.97, 128,670.78 and 56,932.41

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Solution

The fourth proportional to 93,232.97, 128,670.78 and 56,932.41 is: 78,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,232.97 : 128,670.78 = 56,932.41 : x
  2. Step 2: Convert to fraction form
    93,232.97/128,670.78 = 56,932.41/x
  3. Step 3: Cross multiply
    93,232.97x = 128,670.78 × 56,932.41
  4. Step 4: Simplify right side
    93,232.97x = 7,325,537,601.98
  5. Step 5: Solve for x
    x = 7,325,537,601.98/93,232.97
  6. Step 6: Final answer
    x = 78,572.39

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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.