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Finding the Fourth Proportional to 213,145.99, 294,141.50 and 117,652.71

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Solution

The fourth proportional to 213,145.99, 294,141.50 and 117,652.71 is: 162,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,145.99 : 294,141.50 = 117,652.71 : x
  2. Step 2: Convert to fraction form
    213,145.99/294,141.50 = 117,652.71/x
  3. Step 3: Cross multiply
    213,145.99x = 294,141.50 × 117,652.71
  4. Step 4: Simplify right side
    213,145.99x = 34,606,544,598.47
  5. Step 5: Solve for x
    x = 34,606,544,598.47/213,145.99
  6. Step 6: Final answer
    x = 162,360.76

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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.