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Finding the Fourth Proportional to 210,058.99, 315,228.59 and 108,950.23

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Solution

The fourth proportional to 210,058.99, 315,228.59 and 108,950.23 is: 163,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,058.99 : 315,228.59 = 108,950.23 : x
  2. Step 2: Convert to fraction form
    210,058.99/315,228.59 = 108,950.23/x
  3. Step 3: Cross multiply
    210,058.99x = 315,228.59 × 108,950.23
  4. Step 4: Simplify right side
    210,058.99x = 34,344,227,383.08
  5. Step 5: Solve for x
    x = 34,344,227,383.08/210,058.99
  6. Step 6: Final answer
    x = 163,498.01

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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.