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Finding the Fourth Proportional to 247,260.32, 370,726.64 and 89,468

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Solution

The fourth proportional to 247,260.32, 370,726.64 and 89,468 is: 134,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,260.32 : 370,726.64 = 89,468 : x
  2. Step 2: Convert to fraction form
    247,260.32/370,726.64 = 89,468/x
  3. Step 3: Cross multiply
    247,260.32x = 370,726.64 × 89,468
  4. Step 4: Simplify right side
    247,260.32x = 33,168,171,027.52
  5. Step 5: Solve for x
    x = 33,168,171,027.52/247,260.32
  6. Step 6: Final answer
    x = 134,142.72

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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.