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Finding the Fourth Proportional to 114,540.51, 171,810.98 and 47,025.53

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Solution

The fourth proportional to 114,540.51, 171,810.98 and 47,025.53 is: 70,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,540.51 : 171,810.98 = 47,025.53 : x
  2. Step 2: Convert to fraction form
    114,540.51/171,810.98 = 47,025.53/x
  3. Step 3: Cross multiply
    114,540.51x = 171,810.98 × 47,025.53
  4. Step 4: Simplify right side
    114,540.51x = 8,079,502,779.47
  5. Step 5: Solve for x
    x = 8,079,502,779.47/114,540.51
  6. Step 6: Final answer
    x = 70,538.39

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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.