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Finding the Fourth Proportional to 170,153.60, 255,230.48 and 70,203.94

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Solution

The fourth proportional to 170,153.60, 255,230.48 and 70,203.94 is: 105,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,153.60 : 255,230.48 = 70,203.94 : x
  2. Step 2: Convert to fraction form
    170,153.60/255,230.48 = 70,203.94/x
  3. Step 3: Cross multiply
    170,153.60x = 255,230.48 × 70,203.94
  4. Step 4: Simplify right side
    170,153.60x = 17,918,185,304.09
  5. Step 5: Solve for x
    x = 17,918,185,304.09/170,153.60
  6. Step 6: Final answer
    x = 105,305.94

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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.