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Finding the Fourth Proportional to 170,477.60, 255,716.40 and 59,680.80

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Solution

The fourth proportional to 170,477.60, 255,716.40 and 59,680.80 is: 89,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,477.60 : 255,716.40 = 59,680.80 : x
  2. Step 2: Convert to fraction form
    170,477.60/255,716.40 = 59,680.80/x
  3. Step 3: Cross multiply
    170,477.60x = 255,716.40 × 59,680.80
  4. Step 4: Simplify right side
    170,477.60x = 15,261,359,325.12
  5. Step 5: Solve for x
    x = 15,261,359,325.12/170,477.60
  6. Step 6: Final answer
    x = 89,521.20

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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.