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Finding the Fourth Proportional to 213,372.55, 294,451.90 and 117,873.01

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Solution

The fourth proportional to 213,372.55, 294,451.90 and 117,873.01 is: 162,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,372.55 : 294,451.90 = 117,873.01 : x
  2. Step 2: Convert to fraction form
    213,372.55/294,451.90 = 117,873.01/x
  3. Step 3: Cross multiply
    213,372.55x = 294,451.90 × 117,873.01
  4. Step 4: Simplify right side
    213,372.55x = 34,707,931,753.22
  5. Step 5: Solve for x
    x = 34,707,931,753.22/213,372.55
  6. Step 6: Final answer
    x = 162,663.53

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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.