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Finding the Fourth Proportional to 213,369.05, 294,453.53 and 116,578.90

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Solution

The fourth proportional to 213,369.05, 294,453.53 and 116,578.90 is: 160,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,369.05 : 294,453.53 = 116,578.90 : x
  2. Step 2: Convert to fraction form
    213,369.05/294,453.53 = 116,578.90/x
  3. Step 3: Cross multiply
    213,369.05x = 294,453.53 × 116,578.90
  4. Step 4: Simplify right side
    213,369.05x = 34,327,069,250.17
  5. Step 5: Solve for x
    x = 34,327,069,250.17/213,369.05
  6. Step 6: Final answer
    x = 160,881.20

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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.