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Finding the Fourth Proportional to 191,371.92, 287,087.04 and 97,846.08

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Solution

The fourth proportional to 191,371.92, 287,087.04 and 97,846.08 is: 146,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,371.92 : 287,087.04 = 97,846.08 : x
  2. Step 2: Convert to fraction form
    191,371.92/287,087.04 = 97,846.08/x
  3. Step 3: Cross multiply
    191,371.92x = 287,087.04 × 97,846.08
  4. Step 4: Simplify right side
    191,371.92x = 28,090,341,482.80
  5. Step 5: Solve for x
    x = 28,090,341,482.80/191,371.92
  6. Step 6: Final answer
    x = 146,784.03

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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.