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Finding the Fourth Proportional to 104,048.67, 143,587.13 and 56,302.01

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Solution

The fourth proportional to 104,048.67, 143,587.13 and 56,302.01 is: 77,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,048.67 : 143,587.13 = 56,302.01 : x
  2. Step 2: Convert to fraction form
    104,048.67/143,587.13 = 56,302.01/x
  3. Step 3: Cross multiply
    104,048.67x = 143,587.13 × 56,302.01
  4. Step 4: Simplify right side
    104,048.67x = 8,084,243,029.69
  5. Step 5: Solve for x
    x = 8,084,243,029.69/104,048.67
  6. Step 6: Final answer
    x = 77,696.75

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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.