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Finding the Fourth Proportional to 353,818.54, 530,809.80 and 101,102.32

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Solution

The fourth proportional to 353,818.54, 530,809.80 and 101,102.32 is: 151,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,818.54 : 530,809.80 = 101,102.32 : x
  2. Step 2: Convert to fraction form
    353,818.54/530,809.80 = 101,102.32/x
  3. Step 3: Cross multiply
    353,818.54x = 530,809.80 × 101,102.32
  4. Step 4: Simplify right side
    353,818.54x = 53,666,102,258.74
  5. Step 5: Solve for x
    x = 53,666,102,258.74/353,818.54
  6. Step 6: Final answer
    x = 151,676.91

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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.