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Finding the Fourth Proportional to 180,045.69, 248,441.87 and 99,468.41

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Solution

The fourth proportional to 180,045.69, 248,441.87 and 99,468.41 is: 137,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,045.69 : 248,441.87 = 99,468.41 : x
  2. Step 2: Convert to fraction form
    180,045.69/248,441.87 = 99,468.41/x
  3. Step 3: Cross multiply
    180,045.69x = 248,441.87 × 99,468.41
  4. Step 4: Simplify right side
    180,045.69x = 24,712,116,652.91
  5. Step 5: Solve for x
    x = 24,712,116,652.91/180,045.69
  6. Step 6: Final answer
    x = 137,254.70

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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.