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Finding the Fourth Proportional to 191,667.92, 264,322.32 and 151,477.70

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Solution

The fourth proportional to 191,667.92, 264,322.32 and 151,477.70 is: 208,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,667.92 : 264,322.32 = 151,477.70 : x
  2. Step 2: Convert to fraction form
    191,667.92/264,322.32 = 151,477.70/x
  3. Step 3: Cross multiply
    191,667.92x = 264,322.32 × 151,477.70
  4. Step 4: Simplify right side
    191,667.92x = 40,038,935,770.65
  5. Step 5: Solve for x
    x = 40,038,935,770.65/191,667.92
  6. Step 6: Final answer
    x = 208,897.43

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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.