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Finding the Fourth Proportional to 213,389.24, 294,480.24 and 117,898.13

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Solution

The fourth proportional to 213,389.24, 294,480.24 and 117,898.13 is: 162,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,389.24 : 294,480.24 = 117,898.13 : x
  2. Step 2: Convert to fraction form
    213,389.24/294,480.24 = 117,898.13/x
  3. Step 3: Cross multiply
    213,389.24x = 294,480.24 × 117,898.13
  4. Step 4: Simplify right side
    213,389.24x = 34,718,669,617.95
  5. Step 5: Solve for x
    x = 34,718,669,617.95/213,389.24
  6. Step 6: Final answer
    x = 162,701.13

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1.5x scale

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.