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Finding the Fourth Proportional to 134,612.40, 201,918.60 and 132,020.40

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Solution

The fourth proportional to 134,612.40, 201,918.60 and 132,020.40 is: 198,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,612.40 : 201,918.60 = 132,020.40 : x
  2. Step 2: Convert to fraction form
    134,612.40/201,918.60 = 132,020.40/x
  3. Step 3: Cross multiply
    134,612.40x = 201,918.60 × 132,020.40
  4. Step 4: Simplify right side
    134,612.40x = 26,657,374,339.44
  5. Step 5: Solve for x
    x = 26,657,374,339.44/134,612.40
  6. Step 6: Final answer
    x = 198,030.60

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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.