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Finding the Fourth Proportional to 107,486.88, 147,940.38 and 94,656.06

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Solution

The fourth proportional to 107,486.88, 147,940.38 and 94,656.06 is: 130,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,486.88 : 147,940.38 = 94,656.06 : x
  2. Step 2: Convert to fraction form
    107,486.88/147,940.38 = 94,656.06/x
  3. Step 3: Cross multiply
    107,486.88x = 147,940.38 × 94,656.06
  4. Step 4: Simplify right side
    107,486.88x = 14,003,453,485.70
  5. Step 5: Solve for x
    x = 14,003,453,485.70/107,486.88
  6. Step 6: Final answer
    x = 130,280.58

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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.