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Finding the Fourth Proportional to 191,494.73, 264,246.40 and 106,619.69

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Solution

The fourth proportional to 191,494.73, 264,246.40 and 106,619.69 is: 147,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,494.73 : 264,246.40 = 106,619.69 : x
  2. Step 2: Convert to fraction form
    191,494.73/264,246.40 = 106,619.69/x
  3. Step 3: Cross multiply
    191,494.73x = 264,246.40 × 106,619.69
  4. Step 4: Simplify right side
    191,494.73x = 28,173,870,045.51
  5. Step 5: Solve for x
    x = 28,173,870,045.51/191,494.73
  6. Step 6: Final answer
    x = 147,126.08

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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.