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Finding the Fourth Proportional to 110,768.40, 166,152.60 and 103,332.60

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Solution

The fourth proportional to 110,768.40, 166,152.60 and 103,332.60 is: 154,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,768.40 : 166,152.60 = 103,332.60 : x
  2. Step 2: Convert to fraction form
    110,768.40/166,152.60 = 103,332.60/x
  3. Step 3: Cross multiply
    110,768.40x = 166,152.60 × 103,332.60
  4. Step 4: Simplify right side
    110,768.40x = 17,168,980,154.76
  5. Step 5: Solve for x
    x = 17,168,980,154.76/110,768.40
  6. Step 6: Final answer
    x = 154,998.90

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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.