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Finding the Fourth Proportional to 197,809.34, 296,760.68 and 64,689.08

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Solution

The fourth proportional to 197,809.34, 296,760.68 and 64,689.08 is: 97,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,809.34 : 296,760.68 = 64,689.08 : x
  2. Step 2: Convert to fraction form
    197,809.34/296,760.68 = 64,689.08/x
  3. Step 3: Cross multiply
    197,809.34x = 296,760.68 × 64,689.08
  4. Step 4: Simplify right side
    197,809.34x = 19,197,175,369.37
  5. Step 5: Solve for x
    x = 19,197,175,369.37/197,809.34
  6. Step 6: Final answer
    x = 97,048.88

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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.