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Finding the Fourth Proportional to 251,681.16, 347,328.16 and 144,271.52

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Solution

The fourth proportional to 251,681.16, 347,328.16 and 144,271.52 is: 199,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,681.16 : 347,328.16 = 144,271.52 : x
  2. Step 2: Convert to fraction form
    251,681.16/347,328.16 = 144,271.52/x
  3. Step 3: Cross multiply
    251,681.16x = 347,328.16 × 144,271.52
  4. Step 4: Simplify right side
    251,681.16x = 50,109,561,582.00
  5. Step 5: Solve for x
    x = 50,109,561,582.00/251,681.16
  6. Step 6: Final answer
    x = 199,099.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.