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Finding the Fourth Proportional to 70,058.52, 104,952.28 and 58,678.74

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Solution

The fourth proportional to 70,058.52, 104,952.28 and 58,678.74 is: 87,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,058.52 : 104,952.28 = 58,678.74 : x
  2. Step 2: Convert to fraction form
    70,058.52/104,952.28 = 58,678.74/x
  3. Step 3: Cross multiply
    70,058.52x = 104,952.28 × 58,678.74
  4. Step 4: Simplify right side
    70,058.52x = 6,158,467,550.53
  5. Step 5: Solve for x
    x = 6,158,467,550.53/70,058.52
  6. Step 6: Final answer
    x = 87,904.62

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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.