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Finding the Fourth Proportional to 92,692.78, 139,113.03 and 36,547.02

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Solution

The fourth proportional to 92,692.78, 139,113.03 and 36,547.02 is: 54,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,692.78 : 139,113.03 = 36,547.02 : x
  2. Step 2: Convert to fraction form
    92,692.78/139,113.03 = 36,547.02/x
  3. Step 3: Cross multiply
    92,692.78x = 139,113.03 × 36,547.02
  4. Step 4: Simplify right side
    92,692.78x = 5,084,166,689.67
  5. Step 5: Solve for x
    x = 5,084,166,689.67/92,692.78
  6. Step 6: Final answer
    x = 54,849.65

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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.