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Finding the Fourth Proportional to 133,852.32, 200,744.88 and 54,988.32

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Solution

The fourth proportional to 133,852.32, 200,744.88 and 54,988.32 is: 82,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,852.32 : 200,744.88 = 54,988.32 : x
  2. Step 2: Convert to fraction form
    133,852.32/200,744.88 = 54,988.32/x
  3. Step 3: Cross multiply
    133,852.32x = 200,744.88 × 54,988.32
  4. Step 4: Simplify right side
    133,852.32x = 11,038,623,699.80
  5. Step 5: Solve for x
    x = 11,038,623,699.80/133,852.32
  6. Step 6: Final answer
    x = 82,468.68

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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.