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Finding the Fourth Proportional to 101,225.53, 139,708.32 and 58,808.67

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Solution

The fourth proportional to 101,225.53, 139,708.32 and 58,808.67 is: 81,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,225.53 : 139,708.32 = 58,808.67 : x
  2. Step 2: Convert to fraction form
    101,225.53/139,708.32 = 58,808.67/x
  3. Step 3: Cross multiply
    101,225.53x = 139,708.32 × 58,808.67
  4. Step 4: Simplify right side
    101,225.53x = 8,216,060,487.13
  5. Step 5: Solve for x
    x = 8,216,060,487.13/101,225.53
  6. Step 6: Final answer
    x = 81,165.89

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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.