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Finding the Fourth Proportional to 180,671.01, 249,443 and 116,169.22

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Solution

The fourth proportional to 180,671.01, 249,443 and 116,169.22 is: 160,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,671.01 : 249,443 = 116,169.22 : x
  2. Step 2: Convert to fraction form
    180,671.01/249,443 = 116,169.22/x
  3. Step 3: Cross multiply
    180,671.01x = 249,443 × 116,169.22
  4. Step 4: Simplify right side
    180,671.01x = 28,977,598,744.46
  5. Step 5: Solve for x
    x = 28,977,598,744.46/180,671.01
  6. Step 6: Final answer
    x = 160,388.76

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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.