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Finding the Fourth Proportional to 180,521.72, 249,086.77 and 104,030.09

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Solution

The fourth proportional to 180,521.72, 249,086.77 and 104,030.09 is: 143,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,521.72 : 249,086.77 = 104,030.09 : x
  2. Step 2: Convert to fraction form
    180,521.72/249,086.77 = 104,030.09/x
  3. Step 3: Cross multiply
    180,521.72x = 249,086.77 × 104,030.09
  4. Step 4: Simplify right side
    180,521.72x = 25,912,517,595.40
  5. Step 5: Solve for x
    x = 25,912,517,595.40/180,521.72
  6. Step 6: Final answer
    x = 143,542.39

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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.