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Finding the Fourth Proportional to 122,959.68, 184,000.64 and 89,264.76

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Solution

The fourth proportional to 122,959.68, 184,000.64 and 89,264.76 is: 133,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,959.68 : 184,000.64 = 89,264.76 : x
  2. Step 2: Convert to fraction form
    122,959.68/184,000.64 = 89,264.76/x
  3. Step 3: Cross multiply
    122,959.68x = 184,000.64 × 89,264.76
  4. Step 4: Simplify right side
    122,959.68x = 16,424,772,969.45
  5. Step 5: Solve for x
    x = 16,424,772,969.45/122,959.68
  6. Step 6: Final answer
    x = 133,578.53

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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.