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Finding the Fourth Proportional to 180,188.84, 248,667.60 and 119,655.10

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Solution

The fourth proportional to 180,188.84, 248,667.60 and 119,655.10 is: 165,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,188.84 : 248,667.60 = 119,655.10 : x
  2. Step 2: Convert to fraction form
    180,188.84/248,667.60 = 119,655.10/x
  3. Step 3: Cross multiply
    180,188.84x = 248,667.60 × 119,655.10
  4. Step 4: Simplify right side
    180,188.84x = 29,754,346,544.76
  5. Step 5: Solve for x
    x = 29,754,346,544.76/180,188.84
  6. Step 6: Final answer
    x = 165,128.69

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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.