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Finding the Fourth Proportional to 107,028.56, 147,699.43 and 59,284.98

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Solution

The fourth proportional to 107,028.56, 147,699.43 and 59,284.98 is: 81,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,028.56 : 147,699.43 = 59,284.98 : x
  2. Step 2: Convert to fraction form
    107,028.56/147,699.43 = 59,284.98/x
  3. Step 3: Cross multiply
    107,028.56x = 147,699.43 × 59,284.98
  4. Step 4: Simplify right side
    107,028.56x = 8,756,357,605.35
  5. Step 5: Solve for x
    x = 8,756,357,605.35/107,028.56
  6. Step 6: Final answer
    x = 81,813.28

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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.