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Finding the Fourth Proportional to 212,755.79, 293,605.04 and 117,266.15

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Solution

The fourth proportional to 212,755.79, 293,605.04 and 117,266.15 is: 161,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,755.79 : 293,605.04 = 117,266.15 : x
  2. Step 2: Convert to fraction form
    212,755.79/293,605.04 = 117,266.15/x
  3. Step 3: Cross multiply
    212,755.79x = 293,605.04 × 117,266.15
  4. Step 4: Simplify right side
    212,755.79x = 34,429,932,661.40
  5. Step 5: Solve for x
    x = 34,429,932,661.40/212,755.79
  6. Step 6: Final answer
    x = 161,828.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.