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Finding the Fourth Proportional to 191,692.46, 287,590.46 and 58,569.09

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Solution

The fourth proportional to 191,692.46, 287,590.46 and 58,569.09 is: 87,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,692.46 : 287,590.46 = 58,569.09 : x
  2. Step 2: Convert to fraction form
    191,692.46/287,590.46 = 58,569.09/x
  3. Step 3: Cross multiply
    191,692.46x = 287,590.46 × 58,569.09
  4. Step 4: Simplify right side
    191,692.46x = 16,843,911,681.30
  5. Step 5: Solve for x
    x = 16,843,911,681.30/191,692.46
  6. Step 6: Final answer
    x = 87,869.45

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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.