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Finding the Fourth Proportional to 212,955.72, 293,873.74 and 117,460.37

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Solution

The fourth proportional to 212,955.72, 293,873.74 and 117,460.37 is: 162,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,955.72 : 293,873.74 = 117,460.37 : x
  2. Step 2: Convert to fraction form
    212,955.72/293,873.74 = 117,460.37/x
  3. Step 3: Cross multiply
    212,955.72x = 293,873.74 × 117,460.37
  4. Step 4: Simplify right side
    212,955.72x = 34,518,518,233.68
  5. Step 5: Solve for x
    x = 34,518,518,233.68/212,955.72
  6. Step 6: Final answer
    x = 162,092.47

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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.