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Finding the Fourth Proportional to 507,995.10, 762,024.33 and 134,018.46

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Solution

The fourth proportional to 507,995.10, 762,024.33 and 134,018.46 is: 201,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,995.10 : 762,024.33 = 134,018.46 : x
  2. Step 2: Convert to fraction form
    507,995.10/762,024.33 = 134,018.46/x
  3. Step 3: Cross multiply
    507,995.10x = 762,024.33 × 134,018.46
  4. Step 4: Simplify right side
    507,995.10x = 102,125,327,189.13
  5. Step 5: Solve for x
    x = 102,125,327,189.13/507,995.10
  6. Step 6: Final answer
    x = 201,036.05

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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.