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Finding the Fourth Proportional to 180,376.88, 249,020.20 and 108,775.04

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Solution

The fourth proportional to 180,376.88, 249,020.20 and 108,775.04 is: 150,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,376.88 : 249,020.20 = 108,775.04 : x
  2. Step 2: Convert to fraction form
    180,376.88/249,020.20 = 108,775.04/x
  3. Step 3: Cross multiply
    180,376.88x = 249,020.20 × 108,775.04
  4. Step 4: Simplify right side
    180,376.88x = 27,087,182,215.81
  5. Step 5: Solve for x
    x = 27,087,182,215.81/180,376.88
  6. Step 6: Final answer
    x = 150,169.92

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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.