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Finding the Fourth Proportional to 272,068.96, 375,385.44 and 158,826.64

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Solution

The fourth proportional to 272,068.96, 375,385.44 and 158,826.64 is: 219,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,068.96 : 375,385.44 = 158,826.64 : x
  2. Step 2: Convert to fraction form
    272,068.96/375,385.44 = 158,826.64/x
  3. Step 3: Cross multiply
    272,068.96x = 375,385.44 × 158,826.64
  4. Step 4: Simplify right side
    272,068.96x = 59,621,208,140.12
  5. Step 5: Solve for x
    x = 59,621,208,140.12/272,068.96
  6. Step 6: Final answer
    x = 219,140.06

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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.