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Finding the Fourth Proportional to 525,098.10, 787,647.09 and 151,121.10

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Solution

The fourth proportional to 525,098.10, 787,647.09 and 151,121.10 is: 226,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,098.10 : 787,647.09 = 151,121.10 : x
  2. Step 2: Convert to fraction form
    525,098.10/787,647.09 = 151,121.10/x
  3. Step 3: Cross multiply
    525,098.10x = 787,647.09 × 151,121.10
  4. Step 4: Simplify right side
    525,098.10x = 119,030,094,652.60
  5. Step 5: Solve for x
    x = 119,030,094,652.60/525,098.10
  6. Step 6: Final answer
    x = 226,681.63

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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.