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Finding the Fourth Proportional to 176,372.19, 243,399.80 and 99,893.48

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Solution

The fourth proportional to 176,372.19, 243,399.80 and 99,893.48 is: 137,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,372.19 : 243,399.80 = 99,893.48 : x
  2. Step 2: Convert to fraction form
    176,372.19/243,399.80 = 99,893.48/x
  3. Step 3: Cross multiply
    176,372.19x = 243,399.80 × 99,893.48
  4. Step 4: Simplify right side
    176,372.19x = 24,314,052,086.04
  5. Step 5: Solve for x
    x = 24,314,052,086.04/176,372.19
  6. Step 6: Final answer
    x = 137,856.50

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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.