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Finding the Fourth Proportional to 180,750.80, 249,453.60 and 100,204.40

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Solution

The fourth proportional to 180,750.80, 249,453.60 and 100,204.40 is: 138,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,750.80 : 249,453.60 = 100,204.40 : x
  2. Step 2: Convert to fraction form
    180,750.80/249,453.60 = 100,204.40/x
  3. Step 3: Cross multiply
    180,750.80x = 249,453.60 × 100,204.40
  4. Step 4: Simplify right side
    180,750.80x = 24,996,348,315.84
  5. Step 5: Solve for x
    x = 24,996,348,315.84/180,750.80
  6. Step 6: Final answer
    x = 138,291.77

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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.