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Finding the Fourth Proportional to 235,354.95, 324,790.25 and 127,924.70

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Solution

The fourth proportional to 235,354.95, 324,790.25 and 127,924.70 is: 176,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,354.95 : 324,790.25 = 127,924.70 : x
  2. Step 2: Convert to fraction form
    235,354.95/324,790.25 = 127,924.70/x
  3. Step 3: Cross multiply
    235,354.95x = 324,790.25 × 127,924.70
  4. Step 4: Simplify right side
    235,354.95x = 41,548,693,030.60
  5. Step 5: Solve for x
    x = 41,548,693,030.60/235,354.95
  6. Step 6: Final answer
    x = 176,536.30

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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.