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Finding the Fourth Proportional to 196,528.54, 294,792.81 and 48,784.54

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Solution

The fourth proportional to 196,528.54, 294,792.81 and 48,784.54 is: 73,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,528.54 : 294,792.81 = 48,784.54 : x
  2. Step 2: Convert to fraction form
    196,528.54/294,792.81 = 48,784.54/x
  3. Step 3: Cross multiply
    196,528.54x = 294,792.81 × 48,784.54
  4. Step 4: Simplify right side
    196,528.54x = 14,381,331,631.16
  5. Step 5: Solve for x
    x = 14,381,331,631.16/196,528.54
  6. Step 6: Final answer
    x = 73,176.81

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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.