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Finding the Fourth Proportional to 111,156.40, 166,750.65 and 36,258.03

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Solution

The fourth proportional to 111,156.40, 166,750.65 and 36,258.03 is: 54,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,156.40 : 166,750.65 = 36,258.03 : x
  2. Step 2: Convert to fraction form
    111,156.40/166,750.65 = 36,258.03/x
  3. Step 3: Cross multiply
    111,156.40x = 166,750.65 × 36,258.03
  4. Step 4: Simplify right side
    111,156.40x = 6,046,050,070.22
  5. Step 5: Solve for x
    x = 6,046,050,070.22/111,156.40
  6. Step 6: Final answer
    x = 54,392.28

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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.