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Finding the Fourth Proportional to 99,092.84, 136,748.21 and 56,652.26

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Solution

The fourth proportional to 99,092.84, 136,748.21 and 56,652.26 is: 78,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,092.84 : 136,748.21 = 56,652.26 : x
  2. Step 2: Convert to fraction form
    99,092.84/136,748.21 = 56,652.26/x
  3. Step 3: Cross multiply
    99,092.84x = 136,748.21 × 56,652.26
  4. Step 4: Simplify right side
    99,092.84x = 7,747,094,180.45
  5. Step 5: Solve for x
    x = 7,747,094,180.45/99,092.84
  6. Step 6: Final answer
    x = 78,180.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.