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Finding the Fourth Proportional to 70,925.94, 106,075.21 and 63,083.49

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Solution

The fourth proportional to 70,925.94, 106,075.21 and 63,083.49 is: 94,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.94 : 106,075.21 = 63,083.49 : x
  2. Step 2: Convert to fraction form
    70,925.94/106,075.21 = 63,083.49/x
  3. Step 3: Cross multiply
    70,925.94x = 106,075.21 × 63,083.49
  4. Step 4: Simplify right side
    70,925.94x = 6,691,594,133.87
  5. Step 5: Solve for x
    x = 6,691,594,133.87/70,925.94
  6. Step 6: Final answer
    x = 94,346.22

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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.