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Finding the Fourth Proportional to 265,603.19, 366,428.35 and 163,451.30

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Solution

The fourth proportional to 265,603.19, 366,428.35 and 163,451.30 is: 225,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,603.19 : 366,428.35 = 163,451.30 : x
  2. Step 2: Convert to fraction form
    265,603.19/366,428.35 = 163,451.30/x
  3. Step 3: Cross multiply
    265,603.19x = 366,428.35 × 163,451.30
  4. Step 4: Simplify right side
    265,603.19x = 59,893,190,164.36
  5. Step 5: Solve for x
    x = 59,893,190,164.36/265,603.19
  6. Step 6: Final answer
    x = 225,498.76

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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.