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Finding the Fourth Proportional to 197,998.40, 296,866.40 and 109,294.40

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Solution

The fourth proportional to 197,998.40, 296,866.40 and 109,294.40 is: 163,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,998.40 : 296,866.40 = 109,294.40 : x
  2. Step 2: Convert to fraction form
    197,998.40/296,866.40 = 109,294.40/x
  3. Step 3: Cross multiply
    197,998.40x = 296,866.40 × 109,294.40
  4. Step 4: Simplify right side
    197,998.40x = 32,445,835,068.16
  5. Step 5: Solve for x
    x = 32,445,835,068.16/197,998.40
  6. Step 6: Final answer
    x = 163,869.18

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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.