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Finding the Fourth Proportional to 180,673.51, 249,446.45 and 116,171.72

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Solution

The fourth proportional to 180,673.51, 249,446.45 and 116,171.72 is: 160,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,673.51 : 249,446.45 = 116,171.72 : x
  2. Step 2: Convert to fraction form
    180,673.51/249,446.45 = 116,171.72/x
  3. Step 3: Cross multiply
    180,673.51x = 249,446.45 × 116,171.72
  4. Step 4: Simplify right side
    180,673.51x = 28,978,623,144.39
  5. Step 5: Solve for x
    x = 28,978,623,144.39/180,673.51
  6. Step 6: Final answer
    x = 160,392.21

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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.