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Finding the Fourth Proportional to 197,707.94, 296,608.84 and 64,587.98

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Solution

The fourth proportional to 197,707.94, 296,608.84 and 64,587.98 is: 96,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,707.94 : 296,608.84 = 64,587.98 : x
  2. Step 2: Convert to fraction form
    197,707.94/296,608.84 = 64,587.98/x
  3. Step 3: Cross multiply
    197,707.94x = 296,608.84 × 64,587.98
  4. Step 4: Simplify right side
    197,707.94x = 19,157,366,405.80
  5. Step 5: Solve for x
    x = 19,157,366,405.80/197,707.94
  6. Step 6: Final answer
    x = 96,897.30

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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.