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Finding the Fourth Proportional to 187,250.40, 279,817.20 and 134,762.40

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Solution

The fourth proportional to 187,250.40, 279,817.20 and 134,762.40 is: 201,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,250.40 : 279,817.20 = 134,762.40 : x
  2. Step 2: Convert to fraction form
    187,250.40/279,817.20 = 134,762.40/x
  3. Step 3: Cross multiply
    187,250.40x = 279,817.20 × 134,762.40
  4. Step 4: Simplify right side
    187,250.40x = 37,708,837,433.28
  5. Step 5: Solve for x
    x = 37,708,837,433.28/187,250.40
  6. Step 6: Final answer
    x = 201,381.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.