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Finding the Fourth Proportional to 119,161, 178,766.12 and 34,923.93

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Solution

The fourth proportional to 119,161, 178,766.12 and 34,923.93 is: 52,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,161 : 178,766.12 = 34,923.93 : x
  2. Step 2: Convert to fraction form
    119,161/178,766.12 = 34,923.93/x
  3. Step 3: Cross multiply
    119,161x = 178,766.12 × 34,923.93
  4. Step 4: Simplify right side
    119,161x = 6,243,215,461.25
  5. Step 5: Solve for x
    x = 6,243,215,461.25/119,161
  6. Step 6: Final answer
    x = 52,393.11

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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.