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Finding the Fourth Proportional to 134,090.88, 185,037.12 and 73,649.76

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Solution

The fourth proportional to 134,090.88, 185,037.12 and 73,649.76 is: 101,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,090.88 : 185,037.12 = 73,649.76 : x
  2. Step 2: Convert to fraction form
    134,090.88/185,037.12 = 73,649.76/x
  3. Step 3: Cross multiply
    134,090.88x = 185,037.12 × 73,649.76
  4. Step 4: Simplify right side
    134,090.88x = 13,627,939,479.09
  5. Step 5: Solve for x
    x = 13,627,939,479.09/134,090.88
  6. Step 6: Final answer
    x = 101,632.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.