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Finding the Fourth Proportional to 180,401.33, 248,950.11 and 99,828.80

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Solution

The fourth proportional to 180,401.33, 248,950.11 and 99,828.80 is: 137,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,401.33 : 248,950.11 = 99,828.80 : x
  2. Step 2: Convert to fraction form
    180,401.33/248,950.11 = 99,828.80/x
  3. Step 3: Cross multiply
    180,401.33x = 248,950.11 × 99,828.80
  4. Step 4: Simplify right side
    180,401.33x = 24,852,390,741.17
  5. Step 5: Solve for x
    x = 24,852,390,741.17/180,401.33
  6. Step 6: Final answer
    x = 137,761.68

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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.