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Finding the Fourth Proportional to 195,860.80, 294,098.40 and 112,916.80

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Solution

The fourth proportional to 195,860.80, 294,098.40 and 112,916.80 is: 169,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,860.80 : 294,098.40 = 112,916.80 : x
  2. Step 2: Convert to fraction form
    195,860.80/294,098.40 = 112,916.80/x
  3. Step 3: Cross multiply
    195,860.80x = 294,098.40 × 112,916.80
  4. Step 4: Simplify right side
    195,860.80x = 33,208,650,213.12
  5. Step 5: Solve for x
    x = 33,208,650,213.12/195,860.80
  6. Step 6: Final answer
    x = 169,552.31

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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.