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Finding the Fourth Proportional to 70,560.72, 105,877.44 and 46,884.51

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Solution

The fourth proportional to 70,560.72, 105,877.44 and 46,884.51 is: 70,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,560.72 : 105,877.44 = 46,884.51 : x
  2. Step 2: Convert to fraction form
    70,560.72/105,877.44 = 46,884.51/x
  3. Step 3: Cross multiply
    70,560.72x = 105,877.44 × 46,884.51
  4. Step 4: Simplify right side
    70,560.72x = 4,964,011,894.45
  5. Step 5: Solve for x
    x = 4,964,011,894.45/70,560.72
  6. Step 6: Final answer
    x = 70,350.92

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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.