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Finding the Fourth Proportional to 196,116.72, 294,332.70 and 101,374.65

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Solution

The fourth proportional to 196,116.72, 294,332.70 and 101,374.65 is: 152,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,116.72 : 294,332.70 = 101,374.65 : x
  2. Step 2: Convert to fraction form
    196,116.72/294,332.70 = 101,374.65/x
  3. Step 3: Cross multiply
    196,116.72x = 294,332.70 × 101,374.65
  4. Step 4: Simplify right side
    196,116.72x = 29,837,874,446.06
  5. Step 5: Solve for x
    x = 29,837,874,446.06/196,116.72
  6. Step 6: Final answer
    x = 152,143.45

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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.