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Finding the Fourth Proportional to 239,270.82, 358,968.53 and 89,522.81

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Solution

The fourth proportional to 239,270.82, 358,968.53 and 89,522.81 is: 134,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,270.82 : 358,968.53 = 89,522.81 : x
  2. Step 2: Convert to fraction form
    239,270.82/358,968.53 = 89,522.81/x
  3. Step 3: Cross multiply
    239,270.82x = 358,968.53 × 89,522.81
  4. Step 4: Simplify right side
    239,270.82x = 32,135,871,507.17
  5. Step 5: Solve for x
    x = 32,135,871,507.17/239,270.82
  6. Step 6: Final answer
    x = 134,307.52

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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.