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Finding the Fourth Proportional to 151,156.64, 208,596.36 and 84,088.64

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Solution

The fourth proportional to 151,156.64, 208,596.36 and 84,088.64 is: 116,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,156.64 : 208,596.36 = 84,088.64 : x
  2. Step 2: Convert to fraction form
    151,156.64/208,596.36 = 84,088.64/x
  3. Step 3: Cross multiply
    151,156.64x = 208,596.36 × 84,088.64
  4. Step 4: Simplify right side
    151,156.64x = 17,540,584,221.35
  5. Step 5: Solve for x
    x = 17,540,584,221.35/151,156.64
  6. Step 6: Final answer
    x = 116,042.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.