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Finding the Fourth Proportional to 254,052.47, 380,746.48 and 104,117.22

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Solution

The fourth proportional to 254,052.47, 380,746.48 and 104,117.22 is: 156,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,052.47 : 380,746.48 = 104,117.22 : x
  2. Step 2: Convert to fraction form
    254,052.47/380,746.48 = 104,117.22/x
  3. Step 3: Cross multiply
    254,052.47x = 380,746.48 × 104,117.22
  4. Step 4: Simplify right side
    254,052.47x = 39,642,263,118.65
  5. Step 5: Solve for x
    x = 39,642,263,118.65/254,052.47
  6. Step 6: Final answer
    x = 156,039.67

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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.