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Finding the Fourth Proportional to 100,887, 151,274.58 and 46,792.68

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Solution

The fourth proportional to 100,887, 151,274.58 and 46,792.68 is: 70,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887 : 151,274.58 = 46,792.68 : x
  2. Step 2: Convert to fraction form
    100,887/151,274.58 = 46,792.68/x
  3. Step 3: Cross multiply
    100,887x = 151,274.58 × 46,792.68
  4. Step 4: Simplify right side
    100,887x = 7,078,543,014.07
  5. Step 5: Solve for x
    x = 7,078,543,014.07/100,887
  6. Step 6: Final answer
    x = 70,163.08

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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.