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Finding the Fourth Proportional to 180,197.49, 248,677.73 and 99,630.22

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Solution

The fourth proportional to 180,197.49, 248,677.73 and 99,630.22 is: 137,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,197.49 : 248,677.73 = 99,630.22 : x
  2. Step 2: Convert to fraction form
    180,197.49/248,677.73 = 99,630.22/x
  3. Step 3: Cross multiply
    180,197.49x = 248,677.73 × 99,630.22
  4. Step 4: Simplify right side
    180,197.49x = 24,775,815,207.46
  5. Step 5: Solve for x
    x = 24,775,815,207.46/180,197.49
  6. Step 6: Final answer
    x = 137,492.57

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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.