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Finding the Fourth Proportional to 177,155.35, 265,655.12 and 64,806.43

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Solution

The fourth proportional to 177,155.35, 265,655.12 and 64,806.43 is: 97,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,155.35 : 265,655.12 = 64,806.43 : x
  2. Step 2: Convert to fraction form
    177,155.35/265,655.12 = 64,806.43/x
  3. Step 3: Cross multiply
    177,155.35x = 265,655.12 × 64,806.43
  4. Step 4: Simplify right side
    177,155.35x = 17,216,159,630.62
  5. Step 5: Solve for x
    x = 17,216,159,630.62/177,155.35
  6. Step 6: Final answer
    x = 97,181.14

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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.