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Finding the Fourth Proportional to 35,478,699.20, 53,143,399.20 and 29,506,731.20

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Solution

The fourth proportional to 35,478,699.20, 53,143,399.20 and 29,506,731.20 is: 44,198,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478,699.20 : 53,143,399.20 = 29,506,731.20 : x
  2. Step 2: Convert to fraction form
    35,478,699.20/53,143,399.20 = 29,506,731.20/x
  3. Step 3: Cross multiply
    35,478,699.20x = 53,143,399.20 × 29,506,731.20
  4. Step 4: Simplify right side
    35,478,699.20x = 1,568,087,995,248,695
  5. Step 5: Solve for x
    x = 1,568,087,995,248,695/35,478,699.20
  6. Step 6: Final answer
    x = 44,198,012.63

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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.