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Finding the Fourth Proportional to 193,679.93, 289,894.93 and 100,056.89

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Solution

The fourth proportional to 193,679.93, 289,894.93 and 100,056.89 is: 149,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,679.93 : 289,894.93 = 100,056.89 : x
  2. Step 2: Convert to fraction form
    193,679.93/289,894.93 = 100,056.89/x
  3. Step 3: Cross multiply
    193,679.93x = 289,894.93 × 100,056.89
  4. Step 4: Simplify right side
    193,679.93x = 29,005,984,397.83
  5. Step 5: Solve for x
    x = 29,005,984,397.83/193,679.93
  6. Step 6: Final answer
    x = 149,762.47

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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.