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Finding the Fourth Proportional to 190,369.68, 285,590.58 and 76,526.34

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Solution

The fourth proportional to 190,369.68, 285,590.58 and 76,526.34 is: 114,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,369.68 : 285,590.58 = 76,526.34 : x
  2. Step 2: Convert to fraction form
    190,369.68/285,590.58 = 76,526.34/x
  3. Step 3: Cross multiply
    190,369.68x = 285,590.58 × 76,526.34
  4. Step 4: Simplify right side
    190,369.68x = 21,855,201,825.88
  5. Step 5: Solve for x
    x = 21,855,201,825.88/190,369.68
  6. Step 6: Final answer
    x = 114,804.01

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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.