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Finding the Fourth Proportional to 114,999.36, 158,699.12 and 64,011

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Solution

The fourth proportional to 114,999.36, 158,699.12 and 64,011 is: 88,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,999.36 : 158,699.12 = 64,011 : x
  2. Step 2: Convert to fraction form
    114,999.36/158,699.12 = 64,011/x
  3. Step 3: Cross multiply
    114,999.36x = 158,699.12 × 64,011
  4. Step 4: Simplify right side
    114,999.36x = 10,158,489,370.32
  5. Step 5: Solve for x
    x = 10,158,489,370.32/114,999.36
  6. Step 6: Final answer
    x = 88,335.18

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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.