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Finding the Fourth Proportional to 236,210.48, 354,129.72 and 117,820.88

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Solution

The fourth proportional to 236,210.48, 354,129.72 and 117,820.88 is: 176,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,210.48 : 354,129.72 = 117,820.88 : x
  2. Step 2: Convert to fraction form
    236,210.48/354,129.72 = 117,820.88/x
  3. Step 3: Cross multiply
    236,210.48x = 354,129.72 × 117,820.88
  4. Step 4: Simplify right side
    236,210.48x = 41,723,875,244.55
  5. Step 5: Solve for x
    x = 41,723,875,244.55/236,210.48
  6. Step 6: Final answer
    x = 176,638.54

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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.