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Finding the Fourth Proportional to 247,555.26, 371,476.98 and 105,393.06

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Solution

The fourth proportional to 247,555.26, 371,476.98 and 105,393.06 is: 158,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,555.26 : 371,476.98 = 105,393.06 : x
  2. Step 2: Convert to fraction form
    247,555.26/371,476.98 = 105,393.06/x
  3. Step 3: Cross multiply
    247,555.26x = 371,476.98 × 105,393.06
  4. Step 4: Simplify right side
    247,555.26x = 39,151,095,641.76
  5. Step 5: Solve for x
    x = 39,151,095,641.76/247,555.26
  6. Step 6: Final answer
    x = 158,150.93

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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.