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Finding the Fourth Proportional to 117,776.33, 176,597.35 and 80,381.67

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Solution

The fourth proportional to 117,776.33, 176,597.35 and 80,381.67 is: 120,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,776.33 : 176,597.35 = 80,381.67 : x
  2. Step 2: Convert to fraction form
    117,776.33/176,597.35 = 80,381.67/x
  3. Step 3: Cross multiply
    117,776.33x = 176,597.35 × 80,381.67
  4. Step 4: Simplify right side
    117,776.33x = 14,195,189,047.38
  5. Step 5: Solve for x
    x = 14,195,189,047.38/117,776.33
  6. Step 6: Final answer
    x = 120,526.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.