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Finding the Fourth Proportional to 536,188.03, 804,281.53 and 136,828.80

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Solution

The fourth proportional to 536,188.03, 804,281.53 and 136,828.80 is: 205,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,188.03 : 804,281.53 = 136,828.80 : x
  2. Step 2: Convert to fraction form
    536,188.03/804,281.53 = 136,828.80/x
  3. Step 3: Cross multiply
    536,188.03x = 804,281.53 × 136,828.80
  4. Step 4: Simplify right side
    536,188.03x = 110,048,878,280.70
  5. Step 5: Solve for x
    x = 110,048,878,280.70/536,188.03
  6. Step 6: Final answer
    x = 205,243.07

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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.