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Finding the Fourth Proportional to 265,064.90, 397,461.14 and 78,052.10

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Solution

The fourth proportional to 265,064.90, 397,461.14 and 78,052.10 is: 117,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,064.90 : 397,461.14 = 78,052.10 : x
  2. Step 2: Convert to fraction form
    265,064.90/397,461.14 = 78,052.10/x
  3. Step 3: Cross multiply
    265,064.90x = 397,461.14 × 78,052.10
  4. Step 4: Simplify right side
    265,064.90x = 31,022,676,645.39
  5. Step 5: Solve for x
    x = 31,022,676,645.39/265,064.90
  6. Step 6: Final answer
    x = 117,038.04

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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.