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Finding the Fourth Proportional to 178,648.08, 268,011 and 60,314.40

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Solution

The fourth proportional to 178,648.08, 268,011 and 60,314.40 is: 90,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,648.08 : 268,011 = 60,314.40 : x
  2. Step 2: Convert to fraction form
    178,648.08/268,011 = 60,314.40/x
  3. Step 3: Cross multiply
    178,648.08x = 268,011 × 60,314.40
  4. Step 4: Simplify right side
    178,648.08x = 16,164,922,658.40
  5. Step 5: Solve for x
    x = 16,164,922,658.40/178,648.08
  6. Step 6: Final answer
    x = 90,484.73

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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.