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Finding the Fourth Proportional to 189,925.94, 262,068.66 and 109,337.88

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Solution

The fourth proportional to 189,925.94, 262,068.66 and 109,337.88 is: 150,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,925.94 : 262,068.66 = 109,337.88 : x
  2. Step 2: Convert to fraction form
    189,925.94/262,068.66 = 109,337.88/x
  3. Step 3: Cross multiply
    189,925.94x = 262,068.66 × 109,337.88
  4. Step 4: Simplify right side
    189,925.94x = 28,654,031,698.84
  5. Step 5: Solve for x
    x = 28,654,031,698.84/189,925.94
  6. Step 6: Final answer
    x = 150,869.50

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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.