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Finding the Fourth Proportional to 235,524.17, 325,024.89 and 128,094.98

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Solution

The fourth proportional to 235,524.17, 325,024.89 and 128,094.98 is: 176,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,524.17 : 325,024.89 = 128,094.98 : x
  2. Step 2: Convert to fraction form
    235,524.17/325,024.89 = 128,094.98/x
  3. Step 3: Cross multiply
    235,524.17x = 325,024.89 × 128,094.98
  4. Step 4: Simplify right side
    235,524.17x = 41,634,056,784.05
  5. Step 5: Solve for x
    x = 41,634,056,784.05/235,524.17
  6. Step 6: Final answer
    x = 176,771.91

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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.