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Finding the Fourth Proportional to 262,051.70, 392,818.35 and 104,069.30

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Solution

The fourth proportional to 262,051.70, 392,818.35 and 104,069.30 is: 156,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,051.70 : 392,818.35 = 104,069.30 : x
  2. Step 2: Convert to fraction form
    262,051.70/392,818.35 = 104,069.30/x
  3. Step 3: Cross multiply
    262,051.70x = 392,818.35 × 104,069.30
  4. Step 4: Simplify right side
    262,051.70x = 40,880,330,711.66
  5. Step 5: Solve for x
    x = 40,880,330,711.66/262,051.70
  6. Step 6: Final answer
    x = 156,001.01

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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.