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Finding the Fourth Proportional to 176,523.50, 243,637.80 and 104,889.62

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Solution

The fourth proportional to 176,523.50, 243,637.80 and 104,889.62 is: 144,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,523.50 : 243,637.80 = 104,889.62 : x
  2. Step 2: Convert to fraction form
    176,523.50/243,637.80 = 104,889.62/x
  3. Step 3: Cross multiply
    176,523.50x = 243,637.80 × 104,889.62
  4. Step 4: Simplify right side
    176,523.50x = 25,555,076,259.64
  5. Step 5: Solve for x
    x = 25,555,076,259.64/176,523.50
  6. Step 6: Final answer
    x = 144,768.69

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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.