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Finding the Fourth Proportional to 139,152.96, 208,433.64 and 94,201.68

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Solution

The fourth proportional to 139,152.96, 208,433.64 and 94,201.68 is: 141,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,152.96 : 208,433.64 = 94,201.68 : x
  2. Step 2: Convert to fraction form
    139,152.96/208,433.64 = 94,201.68/x
  3. Step 3: Cross multiply
    139,152.96x = 208,433.64 × 94,201.68
  4. Step 4: Simplify right side
    139,152.96x = 19,634,799,056.52
  5. Step 5: Solve for x
    x = 19,634,799,056.52/139,152.96
  6. Step 6: Final answer
    x = 141,102.27

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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.