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Finding the Fourth Proportional to 106,575.81, 147,074.11 and 58,828.74

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Solution

The fourth proportional to 106,575.81, 147,074.11 and 58,828.74 is: 81,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,575.81 : 147,074.11 = 58,828.74 : x
  2. Step 2: Convert to fraction form
    106,575.81/147,074.11 = 58,828.74/x
  3. Step 3: Cross multiply
    106,575.81x = 147,074.11 × 58,828.74
  4. Step 4: Simplify right side
    106,575.81x = 8,652,184,430.85
  5. Step 5: Solve for x
    x = 8,652,184,430.85/106,575.81
  6. Step 6: Final answer
    x = 81,183.38

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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.