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Finding the Fourth Proportional to 214,871.20, 296,146.91 and 157,388.39

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Solution

The fourth proportional to 214,871.20, 296,146.91 and 157,388.39 is: 216,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,871.20 : 296,146.91 = 157,388.39 : x
  2. Step 2: Convert to fraction form
    214,871.20/296,146.91 = 157,388.39/x
  3. Step 3: Cross multiply
    214,871.20x = 296,146.91 × 157,388.39
  4. Step 4: Simplify right side
    214,871.20x = 46,610,085,368.37
  5. Step 5: Solve for x
    x = 46,610,085,368.37/214,871.20
  6. Step 6: Final answer
    x = 216,921.05

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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.