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Finding the Fourth Proportional to 63,120.56, 94,590.60 and 46,349

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Solution

The fourth proportional to 63,120.56, 94,590.60 and 46,349 is: 69,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,120.56 : 94,590.60 = 46,349 : x
  2. Step 2: Convert to fraction form
    63,120.56/94,590.60 = 46,349/x
  3. Step 3: Cross multiply
    63,120.56x = 94,590.60 × 46,349
  4. Step 4: Simplify right side
    63,120.56x = 4,384,179,719.40
  5. Step 5: Solve for x
    x = 4,384,179,719.40/63,120.56
  6. Step 6: Final answer
    x = 69,457.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.