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Finding the Fourth Proportional to 180,377.88, 249,021.58 and 108,776.04

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Solution

The fourth proportional to 180,377.88, 249,021.58 and 108,776.04 is: 150,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,377.88 : 249,021.58 = 108,776.04 : x
  2. Step 2: Convert to fraction form
    180,377.88/249,021.58 = 108,776.04/x
  3. Step 3: Cross multiply
    180,377.88x = 249,021.58 × 108,776.04
  4. Step 4: Simplify right side
    180,377.88x = 27,087,581,346.94
  5. Step 5: Solve for x
    x = 27,087,581,346.94/180,377.88
  6. Step 6: Final answer
    x = 150,171.30

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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.