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Finding the Fourth Proportional to 176,039.40, 264,059.10 and 156,685.80

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Solution

The fourth proportional to 176,039.40, 264,059.10 and 156,685.80 is: 235,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,039.40 : 264,059.10 = 156,685.80 : x
  2. Step 2: Convert to fraction form
    176,039.40/264,059.10 = 156,685.80/x
  3. Step 3: Cross multiply
    176,039.40x = 264,059.10 × 156,685.80
  4. Step 4: Simplify right side
    176,039.40x = 41,374,311,330.78
  5. Step 5: Solve for x
    x = 41,374,311,330.78/176,039.40
  6. Step 6: Final answer
    x = 235,028.70

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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.