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Finding the Fourth Proportional to 235,657.04, 353,510.16 and 75,692.60

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Solution

The fourth proportional to 235,657.04, 353,510.16 and 75,692.60 is: 113,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,657.04 : 353,510.16 = 75,692.60 : x
  2. Step 2: Convert to fraction form
    235,657.04/353,510.16 = 75,692.60/x
  3. Step 3: Cross multiply
    235,657.04x = 353,510.16 × 75,692.60
  4. Step 4: Simplify right side
    235,657.04x = 26,758,103,136.82
  5. Step 5: Solve for x
    x = 26,758,103,136.82/235,657.04
  6. Step 6: Final answer
    x = 113,546.80

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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.