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Finding the Fourth Proportional to 174,690.40, 262,035.60 and 155,336.80

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Solution

The fourth proportional to 174,690.40, 262,035.60 and 155,336.80 is: 233,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,690.40 : 262,035.60 = 155,336.80 : x
  2. Step 2: Convert to fraction form
    174,690.40/262,035.60 = 155,336.80/x
  3. Step 3: Cross multiply
    174,690.40x = 262,035.60 × 155,336.80
  4. Step 4: Simplify right side
    174,690.40x = 40,703,771,590.08
  5. Step 5: Solve for x
    x = 40,703,771,590.08/174,690.40
  6. Step 6: Final answer
    x = 233,005.20

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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.