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Finding the Fourth Proportional to 243,681.18, 365,241.87 and 152,537.52

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Solution

The fourth proportional to 243,681.18, 365,241.87 and 152,537.52 is: 228,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681.18 : 365,241.87 = 152,537.52 : x
  2. Step 2: Convert to fraction form
    243,681.18/365,241.87 = 152,537.52/x
  3. Step 3: Cross multiply
    243,681.18x = 365,241.87 × 152,537.52
  4. Step 4: Simplify right side
    243,681.18x = 55,713,089,049.96
  5. Step 5: Solve for x
    x = 55,713,089,049.96/243,681.18
  6. Step 6: Final answer
    x = 228,631.07

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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.