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Finding the Fourth Proportional to 212,043.64, 292,627.92 and 116,557.60

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Solution

The fourth proportional to 212,043.64, 292,627.92 and 116,557.60 is: 160,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,043.64 : 292,627.92 = 116,557.60 : x
  2. Step 2: Convert to fraction form
    212,043.64/292,627.92 = 116,557.60/x
  3. Step 3: Cross multiply
    212,043.64x = 292,627.92 × 116,557.60
  4. Step 4: Simplify right side
    212,043.64x = 34,108,008,048.19
  5. Step 5: Solve for x
    x = 34,108,008,048.19/212,043.64
  6. Step 6: Final answer
    x = 160,853.72

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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.