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Finding the Fourth Proportional to 212,442.32, 292,981.32 and 167,652.56

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Solution

The fourth proportional to 212,442.32, 292,981.32 and 167,652.56 is: 231,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,442.32 : 292,981.32 = 167,652.56 : x
  2. Step 2: Convert to fraction form
    212,442.32/292,981.32 = 167,652.56/x
  3. Step 3: Cross multiply
    212,442.32x = 292,981.32 × 167,652.56
  4. Step 4: Simplify right side
    212,442.32x = 49,119,068,330.18
  5. Step 5: Solve for x
    x = 49,119,068,330.18/212,442.32
  6. Step 6: Final answer
    x = 231,211.32

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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.