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Finding the Fourth Proportional to 239,267.52, 358,905.60 and 61,776

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Solution

The fourth proportional to 239,267.52, 358,905.60 and 61,776 is: 92,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,267.52 : 358,905.60 = 61,776 : x
  2. Step 2: Convert to fraction form
    239,267.52/358,905.60 = 61,776/x
  3. Step 3: Cross multiply
    239,267.52x = 358,905.60 × 61,776
  4. Step 4: Simplify right side
    239,267.52x = 22,171,752,345.60
  5. Step 5: Solve for x
    x = 22,171,752,345.60/239,267.52
  6. Step 6: Final answer
    x = 92,665.12

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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.