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Finding the Fourth Proportional to 104,063.01, 143,608.02 and 56,317.38

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Solution

The fourth proportional to 104,063.01, 143,608.02 and 56,317.38 is: 77,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.01 : 143,608.02 = 56,317.38 : x
  2. Step 2: Convert to fraction form
    104,063.01/143,608.02 = 56,317.38/x
  3. Step 3: Cross multiply
    104,063.01x = 143,608.02 × 56,317.38
  4. Step 4: Simplify right side
    104,063.01x = 8,087,627,433.39
  5. Step 5: Solve for x
    x = 8,087,627,433.39/104,063.01
  6. Step 6: Final answer
    x = 77,718.56

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1.5x scale

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.