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Finding the Fourth Proportional to 103,366.98, 142,571.88 and 94,896

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Solution

The fourth proportional to 103,366.98, 142,571.88 and 94,896 is: 130,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,366.98 : 142,571.88 = 94,896 : x
  2. Step 2: Convert to fraction form
    103,366.98/142,571.88 = 94,896/x
  3. Step 3: Cross multiply
    103,366.98x = 142,571.88 × 94,896
  4. Step 4: Simplify right side
    103,366.98x = 13,529,501,124.48
  5. Step 5: Solve for x
    x = 13,529,501,124.48/103,366.98
  6. Step 6: Final answer
    x = 130,888.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.