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Finding the Fourth Proportional to 79,406.01, 118,953.30 and 46,056.01

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Solution

The fourth proportional to 79,406.01, 118,953.30 and 46,056.01 is: 68,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,406.01 : 118,953.30 = 46,056.01 : x
  2. Step 2: Convert to fraction form
    79,406.01/118,953.30 = 46,056.01/x
  3. Step 3: Cross multiply
    79,406.01x = 118,953.30 × 46,056.01
  4. Step 4: Simplify right side
    79,406.01x = 5,478,514,144.05
  5. Step 5: Solve for x
    x = 5,478,514,144.05/79,406.01
  6. Step 6: Final answer
    x = 68,993.70

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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.