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Finding the Fourth Proportional to 510,073.07, 765,152.44 and 155,090.16

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Solution

The fourth proportional to 510,073.07, 765,152.44 and 155,090.16 is: 232,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,073.07 : 765,152.44 = 155,090.16 : x
  2. Step 2: Convert to fraction form
    510,073.07/765,152.44 = 155,090.16/x
  3. Step 3: Cross multiply
    510,073.07x = 765,152.44 × 155,090.16
  4. Step 4: Simplify right side
    510,073.07x = 118,667,613,956.27
  5. Step 5: Solve for x
    x = 118,667,613,956.27/510,073.07
  6. Step 6: Final answer
    x = 232,648.27

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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.