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Finding the Fourth Proportional to 105,593.58, 145,715.40 and 57,846.48

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Solution

The fourth proportional to 105,593.58, 145,715.40 and 57,846.48 is: 79,826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,593.58 : 145,715.40 = 57,846.48 : x
  2. Step 2: Convert to fraction form
    105,593.58/145,715.40 = 57,846.48/x
  3. Step 3: Cross multiply
    105,593.58x = 145,715.40 × 57,846.48
  4. Step 4: Simplify right side
    105,593.58x = 8,429,122,971.79
  5. Step 5: Solve for x
    x = 8,429,122,971.79/105,593.58
  6. Step 6: Final answer
    x = 79,826.09

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1.5x scale

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.