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Finding the Fourth Proportional to 106,773.12, 147,352.32 and 59,028.48

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Solution

The fourth proportional to 106,773.12, 147,352.32 and 59,028.48 is: 81,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,773.12 : 147,352.32 = 59,028.48 : x
  2. Step 2: Convert to fraction form
    106,773.12/147,352.32 = 59,028.48/x
  3. Step 3: Cross multiply
    106,773.12x = 147,352.32 × 59,028.48
  4. Step 4: Simplify right side
    106,773.12x = 8,697,983,474.07
  5. Step 5: Solve for x
    x = 8,697,983,474.07/106,773.12
  6. Step 6: Final answer
    x = 81,462.30

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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.