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Finding the Fourth Proportional to 193,950.74, 290,925.15 and 49,856.40

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Solution

The fourth proportional to 193,950.74, 290,925.15 and 49,856.40 is: 74,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,950.74 : 290,925.15 = 49,856.40 : x
  2. Step 2: Convert to fraction form
    193,950.74/290,925.15 = 49,856.40/x
  3. Step 3: Cross multiply
    193,950.74x = 290,925.15 × 49,856.40
  4. Step 4: Simplify right side
    193,950.74x = 14,504,480,648.46
  5. Step 5: Solve for x
    x = 14,504,480,648.46/193,950.74
  6. Step 6: Final answer
    x = 74,784.35

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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.