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Finding the Fourth Proportional to 196,294.55, 293,112.07 and 155,859.80

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Solution

The fourth proportional to 196,294.55, 293,112.07 and 155,859.80 is: 232,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,294.55 : 293,112.07 = 155,859.80 : x
  2. Step 2: Convert to fraction form
    196,294.55/293,112.07 = 155,859.80/x
  3. Step 3: Cross multiply
    196,294.55x = 293,112.07 × 155,859.80
  4. Step 4: Simplify right side
    196,294.55x = 45,684,386,752.58
  5. Step 5: Solve for x
    x = 45,684,386,752.58/196,294.55
  6. Step 6: Final answer
    x = 232,733.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.