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Finding the Fourth Proportional to 134,507.60, 201,588.60 and 64,235.60

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Solution

The fourth proportional to 134,507.60, 201,588.60 and 64,235.60 is: 96,270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,507.60 : 201,588.60 = 64,235.60 : x
  2. Step 2: Convert to fraction form
    134,507.60/201,588.60 = 64,235.60/x
  3. Step 3: Cross multiply
    134,507.60x = 201,588.60 × 64,235.60
  4. Step 4: Simplify right side
    134,507.60x = 12,949,164,674.16
  5. Step 5: Solve for x
    x = 12,949,164,674.16/134,507.60
  6. Step 6: Final answer
    x = 96,270.88

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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.