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Finding the Fourth Proportional to 163,924.80, 245,887.20 and 149,409.60

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Solution

The fourth proportional to 163,924.80, 245,887.20 and 149,409.60 is: 224,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,924.80 : 245,887.20 = 149,409.60 : x
  2. Step 2: Convert to fraction form
    163,924.80/245,887.20 = 149,409.60/x
  3. Step 3: Cross multiply
    163,924.80x = 245,887.20 × 149,409.60
  4. Step 4: Simplify right side
    163,924.80x = 36,737,908,197.12
  5. Step 5: Solve for x
    x = 36,737,908,197.12/163,924.80
  6. Step 6: Final answer
    x = 224,114.40

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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.