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Finding the Fourth Proportional to 122,090.64, 183,114.90 and 36,700.17

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Solution

The fourth proportional to 122,090.64, 183,114.90 and 36,700.17 is: 55,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,090.64 : 183,114.90 = 36,700.17 : x
  2. Step 2: Convert to fraction form
    122,090.64/183,114.90 = 36,700.17/x
  3. Step 3: Cross multiply
    122,090.64x = 183,114.90 × 36,700.17
  4. Step 4: Simplify right side
    122,090.64x = 6,720,347,959.53
  5. Step 5: Solve for x
    x = 6,720,347,959.53/122,090.64
  6. Step 6: Final answer
    x = 55,043.92

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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.