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Finding the Fourth Proportional to 191,499.68, 286,980.66 and 151,342.11

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Solution

The fourth proportional to 191,499.68, 286,980.66 and 151,342.11 is: 226,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,499.68 : 286,980.66 = 151,342.11 : x
  2. Step 2: Convert to fraction form
    191,499.68/286,980.66 = 151,342.11/x
  3. Step 3: Cross multiply
    191,499.68x = 286,980.66 × 151,342.11
  4. Step 4: Simplify right side
    191,499.68x = 43,432,258,404.79
  5. Step 5: Solve for x
    x = 43,432,258,404.79/191,499.68
  6. Step 6: Final answer
    x = 226,800.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.