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Finding the Fourth Proportional to 237,596.86, 327,880.94 and 128,699.12

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Solution

The fourth proportional to 237,596.86, 327,880.94 and 128,699.12 is: 177,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,596.86 : 327,880.94 = 128,699.12 : x
  2. Step 2: Convert to fraction form
    237,596.86/327,880.94 = 128,699.12/x
  3. Step 3: Cross multiply
    237,596.86x = 327,880.94 × 128,699.12
  4. Step 4: Simplify right side
    237,596.86x = 42,197,988,618.98
  5. Step 5: Solve for x
    x = 42,197,988,618.98/237,596.86
  6. Step 6: Final answer
    x = 177,603.31

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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.