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Finding the Fourth Proportional to 180,459.66, 248,977.08 and 104,993.58

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Solution

The fourth proportional to 180,459.66, 248,977.08 and 104,993.58 is: 144,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,459.66 : 248,977.08 = 104,993.58 : x
  2. Step 2: Convert to fraction form
    180,459.66/248,977.08 = 104,993.58/x
  3. Step 3: Cross multiply
    180,459.66x = 248,977.08 × 104,993.58
  4. Step 4: Simplify right side
    180,459.66x = 26,140,994,967.15
  5. Step 5: Solve for x
    x = 26,140,994,967.15/180,459.66
  6. Step 6: Final answer
    x = 144,857.83

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1.5x scale

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.