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Finding the Fourth Proportional to 243,638.03, 365,211.69 and 101,561.96

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Solution

The fourth proportional to 243,638.03, 365,211.69 and 101,561.96 is: 152,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,638.03 : 365,211.69 = 101,561.96 : x
  2. Step 2: Convert to fraction form
    243,638.03/365,211.69 = 101,561.96/x
  3. Step 3: Cross multiply
    243,638.03x = 365,211.69 × 101,561.96
  4. Step 4: Simplify right side
    243,638.03x = 37,091,613,225.25
  5. Step 5: Solve for x
    x = 37,091,613,225.25/243,638.03
  6. Step 6: Final answer
    x = 152,240.66

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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.