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Finding the Fourth Proportional to 174,418.80, 240,689.56 and 97,928.48

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Solution

The fourth proportional to 174,418.80, 240,689.56 and 97,928.48 is: 135,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,418.80 : 240,689.56 = 97,928.48 : x
  2. Step 2: Convert to fraction form
    174,418.80/240,689.56 = 97,928.48/x
  3. Step 3: Cross multiply
    174,418.80x = 240,689.56 × 97,928.48
  4. Step 4: Simplify right side
    174,418.80x = 23,570,362,762.67
  5. Step 5: Solve for x
    x = 23,570,362,762.67/174,418.80
  6. Step 6: Final answer
    x = 135,136.60

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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.