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Finding the Fourth Proportional to 214,600.86, 296,056.72 and 129,668.76

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Solution

The fourth proportional to 214,600.86, 296,056.72 and 129,668.76 is: 178,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,600.86 : 296,056.72 = 129,668.76 : x
  2. Step 2: Convert to fraction form
    214,600.86/296,056.72 = 129,668.76/x
  3. Step 3: Cross multiply
    214,600.86x = 296,056.72 × 129,668.76
  4. Step 4: Simplify right side
    214,600.86x = 38,389,307,772.07
  5. Step 5: Solve for x
    x = 38,389,307,772.07/214,600.86
  6. Step 6: Final answer
    x = 178,887.02

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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.