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Finding the Fourth Proportional to 212,063.53, 292,640.26 and 116,569.54

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Solution

The fourth proportional to 212,063.53, 292,640.26 and 116,569.54 is: 160,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,063.53 : 292,640.26 = 116,569.54 : x
  2. Step 2: Convert to fraction form
    212,063.53/292,640.26 = 116,569.54/x
  3. Step 3: Cross multiply
    212,063.53x = 292,640.26 × 116,569.54
  4. Step 4: Simplify right side
    212,063.53x = 34,112,938,447.63
  5. Step 5: Solve for x
    x = 34,112,938,447.63/212,063.53
  6. Step 6: Final answer
    x = 160,861.89

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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.