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Finding the Fourth Proportional to 198,706.04, 298,073.58 and 65,580.92

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Solution

The fourth proportional to 198,706.04, 298,073.58 and 65,580.92 is: 98,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,706.04 : 298,073.58 = 65,580.92 : x
  2. Step 2: Convert to fraction form
    198,706.04/298,073.58 = 65,580.92/x
  3. Step 3: Cross multiply
    198,706.04x = 298,073.58 × 65,580.92
  4. Step 4: Simplify right side
    198,706.04x = 19,547,939,604.09
  5. Step 5: Solve for x
    x = 19,547,939,604.09/198,706.04
  6. Step 6: Final answer
    x = 98,376.17

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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.