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Finding the Fourth Proportional to 310,754.44, 466,130.33 and 86,114.23

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Solution

The fourth proportional to 310,754.44, 466,130.33 and 86,114.23 is: 129,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,754.44 : 466,130.33 = 86,114.23 : x
  2. Step 2: Convert to fraction form
    310,754.44/466,130.33 = 86,114.23/x
  3. Step 3: Cross multiply
    310,754.44x = 466,130.33 × 86,114.23
  4. Step 4: Simplify right side
    310,754.44x = 40,140,454,447.60
  5. Step 5: Solve for x
    x = 40,140,454,447.60/310,754.44
  6. Step 6: Final answer
    x = 129,170.98

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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.