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Finding the Fourth Proportional to 191,759.22, 264,419.91 and 130,545

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Solution

The fourth proportional to 191,759.22, 264,419.91 and 130,545 is: 180,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,759.22 : 264,419.91 = 130,545 : x
  2. Step 2: Convert to fraction form
    191,759.22/264,419.91 = 130,545/x
  3. Step 3: Cross multiply
    191,759.22x = 264,419.91 × 130,545
  4. Step 4: Simplify right side
    191,759.22x = 34,518,697,150.95
  5. Step 5: Solve for x
    x = 34,518,697,150.95/191,759.22
  6. Step 6: Final answer
    x = 180,010.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.