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Finding the Fourth Proportional to 104,244.65, 143,853.76 and 56,496.98

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Solution

The fourth proportional to 104,244.65, 143,853.76 and 56,496.98 is: 77,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,244.65 : 143,853.76 = 56,496.98 : x
  2. Step 2: Convert to fraction form
    104,244.65/143,853.76 = 56,496.98/x
  3. Step 3: Cross multiply
    104,244.65x = 143,853.76 × 56,496.98
  4. Step 4: Simplify right side
    104,244.65x = 8,127,303,001.64
  5. Step 5: Solve for x
    x = 8,127,303,001.64/104,244.65
  6. Step 6: Final answer
    x = 77,963.74

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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.