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Finding the Fourth Proportional to 176,415.62, 243,474.81 and 100,962.50

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Solution

The fourth proportional to 176,415.62, 243,474.81 and 100,962.50 is: 139,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,415.62 : 243,474.81 = 100,962.50 : x
  2. Step 2: Convert to fraction form
    176,415.62/243,474.81 = 100,962.50/x
  3. Step 3: Cross multiply
    176,415.62x = 243,474.81 × 100,962.50
  4. Step 4: Simplify right side
    176,415.62x = 24,581,825,504.63
  5. Step 5: Solve for x
    x = 24,581,825,504.63/176,415.62
  6. Step 6: Final answer
    x = 139,340.41

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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.