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Finding the Fourth Proportional to 180,503.79, 249,093.53 and 103,994.79

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Solution

The fourth proportional to 180,503.79, 249,093.53 and 103,994.79 is: 143,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,503.79 : 249,093.53 = 103,994.79 : x
  2. Step 2: Convert to fraction form
    180,503.79/249,093.53 = 103,994.79/x
  3. Step 3: Cross multiply
    180,503.79x = 249,093.53 × 103,994.79
  4. Step 4: Simplify right side
    180,503.79x = 25,904,428,278.61
  5. Step 5: Solve for x
    x = 25,904,428,278.61/180,503.79
  6. Step 6: Final answer
    x = 143,511.82

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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.