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Finding the Fourth Proportional to 111,904.40, 167,856.60 and 38,032.40

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Solution

The fourth proportional to 111,904.40, 167,856.60 and 38,032.40 is: 57,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,904.40 : 167,856.60 = 38,032.40 : x
  2. Step 2: Convert to fraction form
    111,904.40/167,856.60 = 38,032.40/x
  3. Step 3: Cross multiply
    111,904.40x = 167,856.60 × 38,032.40
  4. Step 4: Simplify right side
    111,904.40x = 6,383,989,353.84
  5. Step 5: Solve for x
    x = 6,383,989,353.84/111,904.40
  6. Step 6: Final answer
    x = 57,048.60

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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.