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Finding the Fourth Proportional to 106,807.95, 147,392.06 and 59,059.67

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Solution

The fourth proportional to 106,807.95, 147,392.06 and 59,059.67 is: 81,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,807.95 : 147,392.06 = 59,059.67 : x
  2. Step 2: Convert to fraction form
    106,807.95/147,392.06 = 59,059.67/x
  3. Step 3: Cross multiply
    106,807.95x = 147,392.06 × 59,059.67
  4. Step 4: Simplify right side
    106,807.95x = 8,704,925,391.96
  5. Step 5: Solve for x
    x = 8,704,925,391.96/106,807.95
  6. Step 6: Final answer
    x = 81,500.73

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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.