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Finding the Fourth Proportional to 180,892.59, 249,625.48 and 100,327.61

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Solution

The fourth proportional to 180,892.59, 249,625.48 and 100,327.61 is: 138,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,892.59 : 249,625.48 = 100,327.61 : x
  2. Step 2: Convert to fraction form
    180,892.59/249,625.48 = 100,327.61/x
  3. Step 3: Cross multiply
    180,892.59x = 249,625.48 × 100,327.61
  4. Step 4: Simplify right side
    180,892.59x = 25,044,327,803.50
  5. Step 5: Solve for x
    x = 25,044,327,803.50/180,892.59
  6. Step 6: Final answer
    x = 138,448.61

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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.