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Finding the Fourth Proportional to 197,892.60, 296,810.20 and 64,778.16

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Solution

The fourth proportional to 197,892.60, 296,810.20 and 64,778.16 is: 97,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,892.60 : 296,810.20 = 64,778.16 : x
  2. Step 2: Convert to fraction form
    197,892.60/296,810.20 = 64,778.16/x
  3. Step 3: Cross multiply
    197,892.60x = 296,810.20 × 64,778.16
  4. Step 4: Simplify right side
    197,892.60x = 19,226,818,625.23
  5. Step 5: Solve for x
    x = 19,226,818,625.23/197,892.60
  6. Step 6: Final answer
    x = 97,157.85

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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.