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Finding the Fourth Proportional to 223,415.70, 335,123.55 and 97,116.45

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Solution

The fourth proportional to 223,415.70, 335,123.55 and 97,116.45 is: 145,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,415.70 : 335,123.55 = 97,116.45 : x
  2. Step 2: Convert to fraction form
    223,415.70/335,123.55 = 97,116.45/x
  3. Step 3: Cross multiply
    223,415.70x = 335,123.55 × 97,116.45
  4. Step 4: Simplify right side
    223,415.70x = 32,546,009,487.40
  5. Step 5: Solve for x
    x = 32,546,009,487.40/223,415.70
  6. Step 6: Final answer
    x = 145,674.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.