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Finding the Fourth Proportional to 180,412.63, 248,973.50 and 116,861.05

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Solution

The fourth proportional to 180,412.63, 248,973.50 and 116,861.05 is: 161,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,412.63 : 248,973.50 = 116,861.05 : x
  2. Step 2: Convert to fraction form
    180,412.63/248,973.50 = 116,861.05/x
  3. Step 3: Cross multiply
    180,412.63x = 248,973.50 × 116,861.05
  4. Step 4: Simplify right side
    180,412.63x = 29,095,302,803.00
  5. Step 5: Solve for x
    x = 29,095,302,803.00/180,412.63
  6. Step 6: Final answer
    x = 161,270.87

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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.