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Finding the Fourth Proportional to 180,053.70, 248,452.90 and 99,476.42

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Solution

The fourth proportional to 180,053.70, 248,452.90 and 99,476.42 is: 137,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,053.70 : 248,452.90 = 99,476.42 : x
  2. Step 2: Convert to fraction form
    180,053.70/248,452.90 = 99,476.42/x
  3. Step 3: Cross multiply
    180,053.70x = 248,452.90 × 99,476.42
  4. Step 4: Simplify right side
    180,053.70x = 24,715,205,030.62
  5. Step 5: Solve for x
    x = 24,715,205,030.62/180,053.70
  6. Step 6: Final answer
    x = 137,265.74

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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.