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Finding the Fourth Proportional to 134,601.60, 201,902.40 and 87,362.40

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Solution

The fourth proportional to 134,601.60, 201,902.40 and 87,362.40 is: 131,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,601.60 : 201,902.40 = 87,362.40 : x
  2. Step 2: Convert to fraction form
    134,601.60/201,902.40 = 87,362.40/x
  3. Step 3: Cross multiply
    134,601.60x = 201,902.40 × 87,362.40
  4. Step 4: Simplify right side
    134,601.60x = 17,638,678,229.76
  5. Step 5: Solve for x
    x = 17,638,678,229.76/134,601.60
  6. Step 6: Final answer
    x = 131,043.60

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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.