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Finding the Fourth Proportional to 196,878.96, 295,322.63 and 70,527.42

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Solution

The fourth proportional to 196,878.96, 295,322.63 and 70,527.42 is: 105,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,878.96 : 295,322.63 = 70,527.42 : x
  2. Step 2: Convert to fraction form
    196,878.96/295,322.63 = 70,527.42/x
  3. Step 3: Cross multiply
    196,878.96x = 295,322.63 × 70,527.42
  4. Step 4: Simplify right side
    196,878.96x = 20,828,342,808.88
  5. Step 5: Solve for x
    x = 20,828,342,808.88/196,878.96
  6. Step 6: Final answer
    x = 105,792.63

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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.