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Finding the Fourth Proportional to 191,547.93, 287,321.72 and 51,302.73

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Solution

The fourth proportional to 191,547.93, 287,321.72 and 51,302.73 is: 76,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,547.93 : 287,321.72 = 51,302.73 : x
  2. Step 2: Convert to fraction form
    191,547.93/287,321.72 = 51,302.73/x
  3. Step 3: Cross multiply
    191,547.93x = 287,321.72 × 51,302.73
  4. Step 4: Simplify right side
    191,547.93x = 14,740,388,367.78
  5. Step 5: Solve for x
    x = 14,740,388,367.78/191,547.93
  6. Step 6: Final answer
    x = 76,954.05

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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.