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Finding the Fourth Proportional to 107,533.84, 161,300.76 and 48,300.34

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Solution

The fourth proportional to 107,533.84, 161,300.76 and 48,300.34 is: 72,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,533.84 : 161,300.76 = 48,300.34 : x
  2. Step 2: Convert to fraction form
    107,533.84/161,300.76 = 48,300.34/x
  3. Step 3: Cross multiply
    107,533.84x = 161,300.76 × 48,300.34
  4. Step 4: Simplify right side
    107,533.84x = 7,790,881,550.26
  5. Step 5: Solve for x
    x = 7,790,881,550.26/107,533.84
  6. Step 6: Final answer
    x = 72,450.51

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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.