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Finding the Fourth Proportional to 194,054.95, 267,788.86 and 108,011.08

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Solution

The fourth proportional to 194,054.95, 267,788.86 and 108,011.08 is: 149,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,054.95 : 267,788.86 = 108,011.08 : x
  2. Step 2: Convert to fraction form
    194,054.95/267,788.86 = 108,011.08/x
  3. Step 3: Cross multiply
    194,054.95x = 267,788.86 × 108,011.08
  4. Step 4: Simplify right side
    194,054.95x = 28,924,163,980.57
  5. Step 5: Solve for x
    x = 28,924,163,980.57/194,054.95
  6. Step 6: Final answer
    x = 149,051.41

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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.