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Finding the Fourth Proportional to 75,173.96, 103,700.72 and 46,484.45

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Solution

The fourth proportional to 75,173.96, 103,700.72 and 46,484.45 is: 64,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,173.96 : 103,700.72 = 46,484.45 : x
  2. Step 2: Convert to fraction form
    75,173.96/103,700.72 = 46,484.45/x
  3. Step 3: Cross multiply
    75,173.96x = 103,700.72 × 46,484.45
  4. Step 4: Simplify right side
    75,173.96x = 4,820,470,531.51
  5. Step 5: Solve for x
    x = 4,820,470,531.51/75,173.96
  6. Step 6: Final answer
    x = 64,124.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.