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Finding the Fourth Proportional to 371,990.07, 558,056.93 and 158,754.87

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Solution

The fourth proportional to 371,990.07, 558,056.93 and 158,754.87 is: 238,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,990.07 : 558,056.93 = 158,754.87 : x
  2. Step 2: Convert to fraction form
    371,990.07/558,056.93 = 158,754.87/x
  3. Step 3: Cross multiply
    371,990.07x = 558,056.93 × 158,754.87
  4. Step 4: Simplify right side
    371,990.07x = 88,594,254,580.97
  5. Step 5: Solve for x
    x = 88,594,254,580.97/371,990.07
  6. Step 6: Final answer
    x = 238,162.96

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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.