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Finding the Fourth Proportional to 243,041.34, 335,343.30 and 141,007.68

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Solution

The fourth proportional to 243,041.34, 335,343.30 and 141,007.68 is: 194,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,041.34 : 335,343.30 = 141,007.68 : x
  2. Step 2: Convert to fraction form
    243,041.34/335,343.30 = 141,007.68/x
  3. Step 3: Cross multiply
    243,041.34x = 335,343.30 × 141,007.68
  4. Step 4: Simplify right side
    243,041.34x = 47,285,980,736.54
  5. Step 5: Solve for x
    x = 47,285,980,736.54/243,041.34
  6. Step 6: Final answer
    x = 194,559.41

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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.