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Finding the Fourth Proportional to 174,670.84, 240,990.42 and 103,075.48

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Solution

The fourth proportional to 174,670.84, 240,990.42 and 103,075.48 is: 142,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,670.84 : 240,990.42 = 103,075.48 : x
  2. Step 2: Convert to fraction form
    174,670.84/240,990.42 = 103,075.48/x
  3. Step 3: Cross multiply
    174,670.84x = 240,990.42 × 103,075.48
  4. Step 4: Simplify right side
    174,670.84x = 24,840,203,216.90
  5. Step 5: Solve for x
    x = 24,840,203,216.90/174,670.84
  6. Step 6: Final answer
    x = 142,211.51

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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.