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Finding the Fourth Proportional to 169,849.60, 254,774.40 and 130,604.80

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Solution

The fourth proportional to 169,849.60, 254,774.40 and 130,604.80 is: 195,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,849.60 : 254,774.40 = 130,604.80 : x
  2. Step 2: Convert to fraction form
    169,849.60/254,774.40 = 130,604.80/x
  3. Step 3: Cross multiply
    169,849.60x = 254,774.40 × 130,604.80
  4. Step 4: Simplify right side
    169,849.60x = 33,274,759,557.12
  5. Step 5: Solve for x
    x = 33,274,759,557.12/169,849.60
  6. Step 6: Final answer
    x = 195,907.20

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1.5x scale

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.