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Finding the Fourth Proportional to 77,598.60, 107,100.02 and 45,765.64

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Solution

The fourth proportional to 77,598.60, 107,100.02 and 45,765.64 is: 63,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,598.60 : 107,100.02 = 45,765.64 : x
  2. Step 2: Convert to fraction form
    77,598.60/107,100.02 = 45,765.64/x
  3. Step 3: Cross multiply
    77,598.60x = 107,100.02 × 45,765.64
  4. Step 4: Simplify right side
    77,598.60x = 4,901,500,959.31
  5. Step 5: Solve for x
    x = 4,901,500,959.31/77,598.60
  6. Step 6: Final answer
    x = 63,164.81

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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.