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Finding the Fourth Proportional to 94,745.51, 130,740.94 and 53,898.77

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Solution

The fourth proportional to 94,745.51, 130,740.94 and 53,898.77 is: 74,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,745.51 : 130,740.94 = 53,898.77 : x
  2. Step 2: Convert to fraction form
    94,745.51/130,740.94 = 53,898.77/x
  3. Step 3: Cross multiply
    94,745.51x = 130,740.94 × 53,898.77
  4. Step 4: Simplify right side
    94,745.51x = 7,046,775,665.04
  5. Step 5: Solve for x
    x = 7,046,775,665.04/94,745.51
  6. Step 6: Final answer
    x = 74,375.83

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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.