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Finding the Fourth Proportional to 104,047.62, 143,585.10 and 56,300.58

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Solution

The fourth proportional to 104,047.62, 143,585.10 and 56,300.58 is: 77,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,047.62 : 143,585.10 = 56,300.58 : x
  2. Step 2: Convert to fraction form
    104,047.62/143,585.10 = 56,300.58/x
  3. Step 3: Cross multiply
    104,047.62x = 143,585.10 × 56,300.58
  4. Step 4: Simplify right side
    104,047.62x = 8,083,924,409.36
  5. Step 5: Solve for x
    x = 8,083,924,409.36/104,047.62
  6. Step 6: Final answer
    x = 77,694.47

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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.