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Finding the Fourth Proportional to 223,349.10, 308,235.42 and 127,853.52

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Solution

The fourth proportional to 223,349.10, 308,235.42 and 127,853.52 is: 176,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,349.10 : 308,235.42 = 127,853.52 : x
  2. Step 2: Convert to fraction form
    223,349.10/308,235.42 = 127,853.52/x
  3. Step 3: Cross multiply
    223,349.10x = 308,235.42 × 127,853.52
  4. Step 4: Simplify right side
    223,349.10x = 39,408,983,435.68
  5. Step 5: Solve for x
    x = 39,408,983,435.68/223,349.10
  6. Step 6: Final answer
    x = 176,445.68

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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.