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Finding the Fourth Proportional to 180,974.48, 249,744.84 and 101,486.48

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Solution

The fourth proportional to 180,974.48, 249,744.84 and 101,486.48 is: 140,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,974.48 : 249,744.84 = 101,486.48 : x
  2. Step 2: Convert to fraction form
    180,974.48/249,744.84 = 101,486.48/x
  3. Step 3: Cross multiply
    180,974.48x = 249,744.84 × 101,486.48
  4. Step 4: Simplify right side
    180,974.48x = 25,345,724,709.76
  5. Step 5: Solve for x
    x = 25,345,724,709.76/180,974.48
  6. Step 6: Final answer
    x = 140,051.37

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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.