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Finding the Fourth Proportional to 180,506.60, 249,019.62 and 108,889.64

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Solution

The fourth proportional to 180,506.60, 249,019.62 and 108,889.64 is: 150,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,506.60 : 249,019.62 = 108,889.64 : x
  2. Step 2: Convert to fraction form
    180,506.60/249,019.62 = 108,889.64/x
  3. Step 3: Cross multiply
    180,506.60x = 249,019.62 × 108,889.64
  4. Step 4: Simplify right side
    180,506.60x = 27,115,656,774.74
  5. Step 5: Solve for x
    x = 27,115,656,774.74/180,506.60
  6. Step 6: Final answer
    x = 150,219.75

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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.