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Finding the Fourth Proportional to 239,203.04, 358,869.33 and 89,458.54

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Solution

The fourth proportional to 239,203.04, 358,869.33 and 89,458.54 is: 134,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,203.04 : 358,869.33 = 89,458.54 : x
  2. Step 2: Convert to fraction form
    239,203.04/358,869.33 = 89,458.54/x
  3. Step 3: Cross multiply
    239,203.04x = 358,869.33 × 89,458.54
  4. Step 4: Simplify right side
    239,203.04x = 32,103,924,070.94
  5. Step 5: Solve for x
    x = 32,103,924,070.94/239,203.04
  6. Step 6: Final answer
    x = 134,212.03

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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.