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Finding the Fourth Proportional to 212,122.88, 292,726.95 and 116,628.74

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Solution

The fourth proportional to 212,122.88, 292,726.95 and 116,628.74 is: 160,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,122.88 : 292,726.95 = 116,628.74 : x
  2. Step 2: Convert to fraction form
    212,122.88/292,726.95 = 116,628.74/x
  3. Step 3: Cross multiply
    212,122.88x = 292,726.95 × 116,628.74
  4. Step 4: Simplify right side
    212,122.88x = 34,140,375,342.54
  5. Step 5: Solve for x
    x = 34,140,375,342.54/212,122.88
  6. Step 6: Final answer
    x = 160,946.22

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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.