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Finding the Fourth Proportional to 117,155.96, 161,674.94 and 63,440.98

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Solution

The fourth proportional to 117,155.96, 161,674.94 and 63,440.98 is: 87,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,155.96 : 161,674.94 = 63,440.98 : x
  2. Step 2: Convert to fraction form
    117,155.96/161,674.94 = 63,440.98/x
  3. Step 3: Cross multiply
    117,155.96x = 161,674.94 × 63,440.98
  4. Step 4: Simplify right side
    117,155.96x = 10,256,816,635.04
  5. Step 5: Solve for x
    x = 10,256,816,635.04/117,155.96
  6. Step 6: Final answer
    x = 87,548.40

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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.