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Finding the Fourth Proportional to 212,122.76, 292,726.78 and 116,628.62

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Solution

The fourth proportional to 212,122.76, 292,726.78 and 116,628.62 is: 160,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,122.76 : 292,726.78 = 116,628.62 : x
  2. Step 2: Convert to fraction form
    212,122.76/292,726.78 = 116,628.62/x
  3. Step 3: Cross multiply
    212,122.76x = 292,726.78 × 116,628.62
  4. Step 4: Simplify right side
    212,122.76x = 34,140,318,633.24
  5. Step 5: Solve for x
    x = 34,140,318,633.24/212,122.76
  6. Step 6: Final answer
    x = 160,946.05

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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.