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Finding the Fourth Proportional to 228,973.83, 343,390.72 and 158,350.34

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Solution

The fourth proportional to 228,973.83, 343,390.72 and 158,350.34 is: 237,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,973.83 : 343,390.72 = 158,350.34 : x
  2. Step 2: Convert to fraction form
    228,973.83/343,390.72 = 158,350.34/x
  3. Step 3: Cross multiply
    228,973.83x = 343,390.72 × 158,350.34
  4. Step 4: Simplify right side
    228,973.83x = 54,376,037,264.84
  5. Step 5: Solve for x
    x = 54,376,037,264.84/228,973.83
  6. Step 6: Final answer
    x = 237,477.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.