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Finding the Fourth Proportional to 104,666.87, 157,000.37 and 45,470.25

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Solution

The fourth proportional to 104,666.87, 157,000.37 and 45,470.25 is: 68,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,666.87 : 157,000.37 = 45,470.25 : x
  2. Step 2: Convert to fraction form
    104,666.87/157,000.37 = 45,470.25/x
  3. Step 3: Cross multiply
    104,666.87x = 157,000.37 × 45,470.25
  4. Step 4: Simplify right side
    104,666.87x = 7,138,845,846.64
  5. Step 5: Solve for x
    x = 7,138,845,846.64/104,666.87
  6. Step 6: Final answer
    x = 68,205.40

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1.5x scale

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.