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Finding the Fourth Proportional to 103,007.92, 154,487.62 and 58,048.88

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Solution

The fourth proportional to 103,007.92, 154,487.62 and 58,048.88 is: 87,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,007.92 : 154,487.62 = 58,048.88 : x
  2. Step 2: Convert to fraction form
    103,007.92/154,487.62 = 58,048.88/x
  3. Step 3: Cross multiply
    103,007.92x = 154,487.62 × 58,048.88
  4. Step 4: Simplify right side
    103,007.92x = 8,967,833,314.87
  5. Step 5: Solve for x
    x = 8,967,833,314.87/103,007.92
  6. Step 6: Final answer
    x = 87,059.65

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1.5x scale

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.