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Finding the Fourth Proportional to 238,270.71, 357,301.10 and 111,946.86

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Solution

The fourth proportional to 238,270.71, 357,301.10 and 111,946.86 is: 167,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,270.71 : 357,301.10 = 111,946.86 : x
  2. Step 2: Convert to fraction form
    238,270.71/357,301.10 = 111,946.86/x
  3. Step 3: Cross multiply
    238,270.71x = 357,301.10 × 111,946.86
  4. Step 4: Simplify right side
    238,270.71x = 39,998,735,659.81
  5. Step 5: Solve for x
    x = 39,998,735,659.81/238,270.71
  6. Step 6: Final answer
    x = 167,870.97

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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.