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Finding the Fourth Proportional to 210,069.38, 313,764.60 and 190,048.00

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Solution

The fourth proportional to 210,069.38, 313,764.60 and 190,048.00 is: 283,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,069.38 : 313,764.60 = 190,048.00 : x
  2. Step 2: Convert to fraction form
    210,069.38/313,764.60 = 190,048.00/x
  3. Step 3: Cross multiply
    210,069.38x = 313,764.60 × 190,048.00
  4. Step 4: Simplify right side
    210,069.38x = 59,630,334,682.87
  5. Step 5: Solve for x
    x = 59,630,334,682.87/210,069.38
  6. Step 6: Final answer
    x = 283,860.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.