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Finding the Fourth Proportional to 245,527.14, 338,800.04 and 138,094.88

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Solution

The fourth proportional to 245,527.14, 338,800.04 and 138,094.88 is: 190,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,527.14 : 338,800.04 = 138,094.88 : x
  2. Step 2: Convert to fraction form
    245,527.14/338,800.04 = 138,094.88/x
  3. Step 3: Cross multiply
    245,527.14x = 338,800.04 × 138,094.88
  4. Step 4: Simplify right side
    245,527.14x = 46,786,550,867.80
  5. Step 5: Solve for x
    x = 46,786,550,867.80/245,527.14
  6. Step 6: Final answer
    x = 190,555.52

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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.