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Finding the Fourth Proportional to 111,365.76, 167,048.64 and 27,125.40

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Solution

The fourth proportional to 111,365.76, 167,048.64 and 27,125.40 is: 40,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,365.76 : 167,048.64 = 27,125.40 : x
  2. Step 2: Convert to fraction form
    111,365.76/167,048.64 = 27,125.40/x
  3. Step 3: Cross multiply
    111,365.76x = 167,048.64 × 27,125.40
  4. Step 4: Simplify right side
    111,365.76x = 4,531,261,179.46
  5. Step 5: Solve for x
    x = 4,531,261,179.46/111,365.76
  6. Step 6: Final answer
    x = 40,688.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.