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Finding the Fourth Proportional to 228,090.74, 342,157.97 and 101,725.88

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Solution

The fourth proportional to 228,090.74, 342,157.97 and 101,725.88 is: 152,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,090.74 : 342,157.97 = 101,725.88 : x
  2. Step 2: Convert to fraction form
    228,090.74/342,157.97 = 101,725.88/x
  3. Step 3: Cross multiply
    228,090.74x = 342,157.97 × 101,725.88
  4. Step 4: Simplify right side
    228,090.74x = 34,806,319,140.79
  5. Step 5: Solve for x
    x = 34,806,319,140.79/228,090.74
  6. Step 6: Final answer
    x = 152,598.57

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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.