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Finding the Fourth Proportional to 222,642.76, 307,541.46 and 165,955.72

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Solution

The fourth proportional to 222,642.76, 307,541.46 and 165,955.72 is: 229,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,642.76 : 307,541.46 = 165,955.72 : x
  2. Step 2: Convert to fraction form
    222,642.76/307,541.46 = 165,955.72/x
  3. Step 3: Cross multiply
    222,642.76x = 307,541.46 × 165,955.72
  4. Step 4: Simplify right side
    222,642.76x = 51,038,264,424.15
  5. Step 5: Solve for x
    x = 51,038,264,424.15/222,642.76
  6. Step 6: Final answer
    x = 229,238.37

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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.