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Finding the Fourth Proportional to 136,774.53, 205,188.39 and 52,528.50

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Solution

The fourth proportional to 136,774.53, 205,188.39 and 52,528.50 is: 78,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,774.53 : 205,188.39 = 52,528.50 : x
  2. Step 2: Convert to fraction form
    136,774.53/205,188.39 = 52,528.50/x
  3. Step 3: Cross multiply
    136,774.53x = 205,188.39 × 52,528.50
  4. Step 4: Simplify right side
    136,774.53x = 10,778,238,344.12
  5. Step 5: Solve for x
    x = 10,778,238,344.12/136,774.53
  6. Step 6: Final answer
    x = 78,802.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.