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Finding the Fourth Proportional to 195,433.60, 274,160 and 195,433.60

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Solution

The fourth proportional to 195,433.60, 274,160 and 195,433.60 is: 274,160

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,433.60 : 274,160 = 195,433.60 : x
  2. Step 2: Convert to fraction form
    195,433.60/274,160 = 195,433.60/x
  3. Step 3: Cross multiply
    195,433.60x = 274,160 × 195,433.60
  4. Step 4: Simplify right side
    195,433.60x = 53,580,075,776
  5. Step 5: Solve for x
    x = 53,580,075,776/195,433.60
  6. Step 6: Final answer
    x = 274,160

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.