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Finding the Fourth Proportional to 213,605.40, 294,754.68 and 118,099.08

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Solution

The fourth proportional to 213,605.40, 294,754.68 and 118,099.08 is: 162,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,605.40 : 294,754.68 = 118,099.08 : x
  2. Step 2: Convert to fraction form
    213,605.40/294,754.68 = 118,099.08/x
  3. Step 3: Cross multiply
    213,605.40x = 294,754.68 × 118,099.08
  4. Step 4: Simplify right side
    213,605.40x = 34,810,256,533.69
  5. Step 5: Solve for x
    x = 34,810,256,533.69/213,605.40
  6. Step 6: Final answer
    x = 162,965.25

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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.