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Finding the Fourth Proportional to 162,123.48, 223,662.96 and 107,701.80

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Solution

The fourth proportional to 162,123.48, 223,662.96 and 107,701.80 is: 148,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,123.48 : 223,662.96 = 107,701.80 : x
  2. Step 2: Convert to fraction form
    162,123.48/223,662.96 = 107,701.80/x
  3. Step 3: Cross multiply
    162,123.48x = 223,662.96 × 107,701.80
  4. Step 4: Simplify right side
    162,123.48x = 24,088,903,385.33
  5. Step 5: Solve for x
    x = 24,088,903,385.33/162,123.48
  6. Step 6: Final answer
    x = 148,583.68

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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.