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Finding the Fourth Proportional to 136,602.96, 204,807.60 and 52,292.04

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Solution

The fourth proportional to 136,602.96, 204,807.60 and 52,292.04 is: 78,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,602.96 : 204,807.60 = 52,292.04 : x
  2. Step 2: Convert to fraction form
    136,602.96/204,807.60 = 52,292.04/x
  3. Step 3: Cross multiply
    136,602.96x = 204,807.60 × 52,292.04
  4. Step 4: Simplify right side
    136,602.96x = 10,709,807,211.50
  5. Step 5: Solve for x
    x = 10,709,807,211.50/136,602.96
  6. Step 6: Final answer
    x = 78,400.99

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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.