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Finding the Fourth Proportional to 95,430.51, 131,698.16 and 52,989

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Solution

The fourth proportional to 95,430.51, 131,698.16 and 52,989 is: 73,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,430.51 : 131,698.16 = 52,989 : x
  2. Step 2: Convert to fraction form
    95,430.51/131,698.16 = 52,989/x
  3. Step 3: Cross multiply
    95,430.51x = 131,698.16 × 52,989
  4. Step 4: Simplify right side
    95,430.51x = 6,978,553,535.30
  5. Step 5: Solve for x
    x = 6,978,553,535.30/95,430.51
  6. Step 6: Final answer
    x = 73,127.07

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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.