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Finding the Fourth Proportional to 114,457.34, 171,630.61 and 39,551.21

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Solution

The fourth proportional to 114,457.34, 171,630.61 and 39,551.21 is: 59,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,457.34 : 171,630.61 = 39,551.21 : x
  2. Step 2: Convert to fraction form
    114,457.34/171,630.61 = 39,551.21/x
  3. Step 3: Cross multiply
    114,457.34x = 171,630.61 × 39,551.21
  4. Step 4: Simplify right side
    114,457.34x = 6,788,198,298.54
  5. Step 5: Solve for x
    x = 6,788,198,298.54/114,457.34
  6. Step 6: Final answer
    x = 59,307.67

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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.