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Finding the Fourth Proportional to 215,700.30, 297,653.33 and 118,899.92

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Solution

The fourth proportional to 215,700.30, 297,653.33 and 118,899.92 is: 164,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,700.30 : 297,653.33 = 118,899.92 : x
  2. Step 2: Convert to fraction form
    215,700.30/297,653.33 = 118,899.92/x
  3. Step 3: Cross multiply
    215,700.30x = 297,653.33 × 118,899.92
  4. Step 4: Simplify right side
    215,700.30x = 35,390,957,124.73
  5. Step 5: Solve for x
    x = 35,390,957,124.73/215,700.30
  6. Step 6: Final answer
    x = 164,074.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.