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Finding the Fourth Proportional to 196,297.56, 293,116.56 and 155,862.81

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Solution

The fourth proportional to 196,297.56, 293,116.56 and 155,862.81 is: 232,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,297.56 : 293,116.56 = 155,862.81 : x
  2. Step 2: Convert to fraction form
    196,297.56/293,116.56 = 155,862.81/x
  3. Step 3: Cross multiply
    196,297.56x = 293,116.56 × 155,862.81
  4. Step 4: Simplify right side
    196,297.56x = 45,685,970,699.13
  5. Step 5: Solve for x
    x = 45,685,970,699.13/196,297.56
  6. Step 6: Final answer
    x = 232,738.35

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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.