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Finding the Fourth Proportional to 180,679.95, 249,331.70 and 104,202.25

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Solution

The fourth proportional to 180,679.95, 249,331.70 and 104,202.25 is: 143,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,679.95 : 249,331.70 = 104,202.25 : x
  2. Step 2: Convert to fraction form
    180,679.95/249,331.70 = 104,202.25/x
  3. Step 3: Cross multiply
    180,679.95x = 249,331.70 × 104,202.25
  4. Step 4: Simplify right side
    180,679.95x = 25,980,923,773.50
  5. Step 5: Solve for x
    x = 25,980,923,773.50/180,679.95
  6. Step 6: Final answer
    x = 143,795.28

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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.