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Finding the Fourth Proportional to 199,809.76, 299,707.73 and 50,051.34

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Solution

The fourth proportional to 199,809.76, 299,707.73 and 50,051.34 is: 75,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,809.76 : 299,707.73 = 50,051.34 : x
  2. Step 2: Convert to fraction form
    199,809.76/299,707.73 = 50,051.34/x
  3. Step 3: Cross multiply
    199,809.76x = 299,707.73 × 50,051.34
  4. Step 4: Simplify right side
    199,809.76x = 15,000,773,432.29
  5. Step 5: Solve for x
    x = 15,000,773,432.29/199,809.76
  6. Step 6: Final answer
    x = 75,075.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.