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Finding the Fourth Proportional to 270,972, 373,940.64 and 150,113.52

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Solution

The fourth proportional to 270,972, 373,940.64 and 150,113.52 is: 207,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,972 : 373,940.64 = 150,113.52 : x
  2. Step 2: Convert to fraction form
    270,972/373,940.64 = 150,113.52/x
  3. Step 3: Cross multiply
    270,972x = 373,940.64 × 150,113.52
  4. Step 4: Simplify right side
    270,972x = 56,133,545,741.45
  5. Step 5: Solve for x
    x = 56,133,545,741.45/270,972
  6. Step 6: Final answer
    x = 207,156.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.