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Finding the Fourth Proportional to 212,209.92, 292,840.64 and 116,710.48

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Solution

The fourth proportional to 212,209.92, 292,840.64 and 116,710.48 is: 161,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,209.92 : 292,840.64 = 116,710.48 : x
  2. Step 2: Convert to fraction form
    212,209.92/292,840.64 = 116,710.48/x
  3. Step 3: Cross multiply
    212,209.92x = 292,840.64 × 116,710.48
  4. Step 4: Simplify right side
    212,209.92x = 34,177,571,657.91
  5. Step 5: Solve for x
    x = 34,177,571,657.91/212,209.92
  6. Step 6: Final answer
    x = 161,055.49

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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.