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Finding the Fourth Proportional to 357,700.36, 536,550.64 and 133,031.44

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Solution

The fourth proportional to 357,700.36, 536,550.64 and 133,031.44 is: 199,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,700.36 : 536,550.64 = 133,031.44 : x
  2. Step 2: Convert to fraction form
    357,700.36/536,550.64 = 133,031.44/x
  3. Step 3: Cross multiply
    357,700.36x = 536,550.64 × 133,031.44
  4. Step 4: Simplify right side
    357,700.36x = 71,378,104,272.12
  5. Step 5: Solve for x
    x = 71,378,104,272.12/357,700.36
  6. Step 6: Final answer
    x = 199,547.20

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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.