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Finding the Fourth Proportional to 223,314.08, 308,187.21 and 127,818.59

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Solution

The fourth proportional to 223,314.08, 308,187.21 and 127,818.59 is: 176,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,314.08 : 308,187.21 = 127,818.59 : x
  2. Step 2: Convert to fraction form
    223,314.08/308,187.21 = 127,818.59/x
  3. Step 3: Cross multiply
    223,314.08x = 308,187.21 × 127,818.59
  4. Step 4: Simplify right side
    223,314.08x = 39,392,054,638.23
  5. Step 5: Solve for x
    x = 39,392,054,638.23/223,314.08
  6. Step 6: Final answer
    x = 176,397.54

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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.