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Finding the Fourth Proportional to 228,785.40, 343,200.90 and 95,707.32

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Solution

The fourth proportional to 228,785.40, 343,200.90 and 95,707.32 is: 143,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,785.40 : 343,200.90 = 95,707.32 : x
  2. Step 2: Convert to fraction form
    228,785.40/343,200.90 = 95,707.32/x
  3. Step 3: Cross multiply
    228,785.40x = 343,200.90 × 95,707.32
  4. Step 4: Simplify right side
    228,785.40x = 32,846,838,360.59
  5. Step 5: Solve for x
    x = 32,846,838,360.59/228,785.40
  6. Step 6: Final answer
    x = 143,570.52

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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.