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Finding the Fourth Proportional to 46,670.40, 70,005.60 and 44,143.20

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Solution

The fourth proportional to 46,670.40, 70,005.60 and 44,143.20 is: 66,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,670.40 : 70,005.60 = 44,143.20 : x
  2. Step 2: Convert to fraction form
    46,670.40/70,005.60 = 44,143.20/x
  3. Step 3: Cross multiply
    46,670.40x = 70,005.60 × 44,143.20
  4. Step 4: Simplify right side
    46,670.40x = 3,090,271,201.92
  5. Step 5: Solve for x
    x = 3,090,271,201.92/46,670.40
  6. Step 6: Final answer
    x = 66,214.80

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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.