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Finding the Fourth Proportional to 58,980.76, 88,383.62 and 43,321.84

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Solution

The fourth proportional to 58,980.76, 88,383.62 and 43,321.84 is: 64,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,980.76 : 88,383.62 = 43,321.84 : x
  2. Step 2: Convert to fraction form
    58,980.76/88,383.62 = 43,321.84/x
  3. Step 3: Cross multiply
    58,980.76x = 88,383.62 × 43,321.84
  4. Step 4: Simplify right side
    58,980.76x = 3,828,940,602.34
  5. Step 5: Solve for x
    x = 3,828,940,602.34/58,980.76
  6. Step 6: Final answer
    x = 64,918.47

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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.