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Finding the Fourth Proportional to 198,034.88, 297,113.60 and 64,916.16

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Solution

The fourth proportional to 198,034.88, 297,113.60 and 64,916.16 is: 97,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,034.88 : 297,113.60 = 64,916.16 : x
  2. Step 2: Convert to fraction form
    198,034.88/297,113.60 = 64,916.16/x
  3. Step 3: Cross multiply
    198,034.88x = 297,113.60 × 64,916.16
  4. Step 4: Simplify right side
    198,034.88x = 19,287,473,995.78
  5. Step 5: Solve for x
    x = 19,287,473,995.78/198,034.88
  6. Step 6: Final answer
    x = 97,394.33

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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.