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Finding the Fourth Proportional to 245,372.01, 368,075.52 and 65,456.43

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Solution

The fourth proportional to 245,372.01, 368,075.52 and 65,456.43 is: 98,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,372.01 : 368,075.52 = 65,456.43 : x
  2. Step 2: Convert to fraction form
    245,372.01/368,075.52 = 65,456.43/x
  3. Step 3: Cross multiply
    245,372.01x = 368,075.52 × 65,456.43
  4. Step 4: Simplify right side
    245,372.01x = 24,092,909,509.59
  5. Step 5: Solve for x
    x = 24,092,909,509.59/245,372.01
  6. Step 6: Final answer
    x = 98,189.31

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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.