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Finding the Fourth Proportional to 228,195.51, 341,853.44 and 128,050.35

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Solution

The fourth proportional to 228,195.51, 341,853.44 and 128,050.35 is: 191,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,195.51 : 341,853.44 = 128,050.35 : x
  2. Step 2: Convert to fraction form
    228,195.51/341,853.44 = 128,050.35/x
  3. Step 3: Cross multiply
    228,195.51x = 341,853.44 × 128,050.35
  4. Step 4: Simplify right side
    228,195.51x = 43,774,452,000.45
  5. Step 5: Solve for x
    x = 43,774,452,000.45/228,195.51
  6. Step 6: Final answer
    x = 191,828.72

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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.