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Finding the Fourth Proportional to 140,784.93, 211,155.39 and 46,014.39

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Solution

The fourth proportional to 140,784.93, 211,155.39 and 46,014.39 is: 69,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,784.93 : 211,155.39 = 46,014.39 : x
  2. Step 2: Convert to fraction form
    140,784.93/211,155.39 = 46,014.39/x
  3. Step 3: Cross multiply
    140,784.93x = 211,155.39 × 46,014.39
  4. Step 4: Simplify right side
    140,784.93x = 9,716,186,466.06
  5. Step 5: Solve for x
    x = 9,716,186,466.06/140,784.93
  6. Step 6: Final answer
    x = 69,014.39

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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.