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Finding the Fourth Proportional to 180,797.54, 249,416.62 and 112,770.50

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Solution

The fourth proportional to 180,797.54, 249,416.62 and 112,770.50 is: 155,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,797.54 : 249,416.62 = 112,770.50 : x
  2. Step 2: Convert to fraction form
    180,797.54/249,416.62 = 112,770.50/x
  3. Step 3: Cross multiply
    180,797.54x = 249,416.62 × 112,770.50
  4. Step 4: Simplify right side
    180,797.54x = 28,126,835,416.70
  5. Step 5: Solve for x
    x = 28,126,835,416.70/180,797.54
  6. Step 6: Final answer
    x = 155,570.90

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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.