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Finding the Fourth Proportional to 191,746.68, 287,620.02 and 58,626.94

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Solution

The fourth proportional to 191,746.68, 287,620.02 and 58,626.94 is: 87,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,746.68 : 287,620.02 = 58,626.94 : x
  2. Step 2: Convert to fraction form
    191,746.68/287,620.02 = 58,626.94/x
  3. Step 3: Cross multiply
    191,746.68x = 287,620.02 × 58,626.94
  4. Step 4: Simplify right side
    191,746.68x = 16,862,281,655.34
  5. Step 5: Solve for x
    x = 16,862,281,655.34/191,746.68
  6. Step 6: Final answer
    x = 87,940.41

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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.