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Finding the Fourth Proportional to 350,242.02, 525,575.52 and 139,862.34

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Solution

The fourth proportional to 350,242.02, 525,575.52 and 139,862.34 is: 209,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,242.02 : 525,575.52 = 139,862.34 : x
  2. Step 2: Convert to fraction form
    350,242.02/525,575.52 = 139,862.34/x
  3. Step 3: Cross multiply
    350,242.02x = 525,575.52 × 139,862.34
  4. Step 4: Simplify right side
    350,242.02x = 73,508,222,073.92
  5. Step 5: Solve for x
    x = 73,508,222,073.92/350,242.02
  6. Step 6: Final answer
    x = 209,878.36

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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.