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Finding the Fourth Proportional to 191,603.96, 287,405.94 and 58,484.90

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Solution

The fourth proportional to 191,603.96, 287,405.94 and 58,484.90 is: 87,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,603.96 : 287,405.94 = 58,484.90 : x
  2. Step 2: Convert to fraction form
    191,603.96/287,405.94 = 58,484.90/x
  3. Step 3: Cross multiply
    191,603.96x = 287,405.94 × 58,484.90
  4. Step 4: Simplify right side
    191,603.96x = 16,808,907,660.31
  5. Step 5: Solve for x
    x = 16,808,907,660.31/191,603.96
  6. Step 6: Final answer
    x = 87,727.35

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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.