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Finding the Fourth Proportional to 191,365.92, 287,110.35 and 58,271.94

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Solution

The fourth proportional to 191,365.92, 287,110.35 and 58,271.94 is: 87,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,365.92 : 287,110.35 = 58,271.94 : x
  2. Step 2: Convert to fraction form
    191,365.92/287,110.35 = 58,271.94/x
  3. Step 3: Cross multiply
    191,365.92x = 287,110.35 × 58,271.94
  4. Step 4: Simplify right side
    191,365.92x = 16,730,477,088.58
  5. Step 5: Solve for x
    x = 16,730,477,088.58/191,365.92
  6. Step 6: Final answer
    x = 87,426.63

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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.