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Finding the Fourth Proportional to 168,328.70, 252,492.72 and 98,158.80

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Solution

The fourth proportional to 168,328.70, 252,492.72 and 98,158.80 is: 147,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,328.70 : 252,492.72 = 98,158.80 : x
  2. Step 2: Convert to fraction form
    168,328.70/252,492.72 = 98,158.80/x
  3. Step 3: Cross multiply
    168,328.70x = 252,492.72 × 98,158.80
  4. Step 4: Simplify right side
    168,328.70x = 24,784,382,403.94
  5. Step 5: Solve for x
    x = 24,784,382,403.94/168,328.70
  6. Step 6: Final answer
    x = 147,238.01

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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.