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Finding the Fourth Proportional to 235,402.34, 352,630.74 and 108,865.22

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Solution

The fourth proportional to 235,402.34, 352,630.74 and 108,865.22 is: 163,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,402.34 : 352,630.74 = 108,865.22 : x
  2. Step 2: Convert to fraction form
    235,402.34/352,630.74 = 108,865.22/x
  3. Step 3: Cross multiply
    235,402.34x = 352,630.74 × 108,865.22
  4. Step 4: Simplify right side
    235,402.34x = 38,389,223,088.86
  5. Step 5: Solve for x
    x = 38,389,223,088.86/235,402.34
  6. Step 6: Final answer
    x = 163,079.19

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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.