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Finding the Fourth Proportional to 134,994.40, 202,491.60 and 108,750.40

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Solution

The fourth proportional to 134,994.40, 202,491.60 and 108,750.40 is: 163,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,994.40 : 202,491.60 = 108,750.40 : x
  2. Step 2: Convert to fraction form
    134,994.40/202,491.60 = 108,750.40/x
  3. Step 3: Cross multiply
    134,994.40x = 202,491.60 × 108,750.40
  4. Step 4: Simplify right side
    134,994.40x = 22,021,042,496.64
  5. Step 5: Solve for x
    x = 22,021,042,496.64/134,994.40
  6. Step 6: Final answer
    x = 163,125.60

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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.