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Finding the Fourth Proportional to 174,228.40, 260,759.40 and 153,233.20

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Solution

The fourth proportional to 174,228.40, 260,759.40 and 153,233.20 is: 229,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,228.40 : 260,759.40 = 153,233.20 : x
  2. Step 2: Convert to fraction form
    174,228.40/260,759.40 = 153,233.20/x
  3. Step 3: Cross multiply
    174,228.40x = 260,759.40 × 153,233.20
  4. Step 4: Simplify right side
    174,228.40x = 39,956,997,292.08
  5. Step 5: Solve for x
    x = 39,956,997,292.08/174,228.40
  6. Step 6: Final answer
    x = 229,336.88

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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.