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Finding the Fourth Proportional to 180,882.50, 249,617.85 and 101,394.50

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Solution

The fourth proportional to 180,882.50, 249,617.85 and 101,394.50 is: 139,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,882.50 : 249,617.85 = 101,394.50 : x
  2. Step 2: Convert to fraction form
    180,882.50/249,617.85 = 101,394.50/x
  3. Step 3: Cross multiply
    180,882.50x = 249,617.85 × 101,394.50
  4. Step 4: Simplify right side
    180,882.50x = 25,309,877,091.83
  5. Step 5: Solve for x
    x = 25,309,877,091.83/180,882.50
  6. Step 6: Final answer
    x = 139,924.41

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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.