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Finding the Fourth Proportional to 70,339.74, 97,075.44 and 42,044.82

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Solution

The fourth proportional to 70,339.74, 97,075.44 and 42,044.82 is: 58,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,339.74 : 97,075.44 = 42,044.82 : x
  2. Step 2: Convert to fraction form
    70,339.74/97,075.44 = 42,044.82/x
  3. Step 3: Cross multiply
    70,339.74x = 97,075.44 × 42,044.82
  4. Step 4: Simplify right side
    70,339.74x = 4,081,519,401.22
  5. Step 5: Solve for x
    x = 4,081,519,401.22/70,339.74
  6. Step 6: Final answer
    x = 58,025.80

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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.