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Finding the Fourth Proportional to 101,277.58, 151,903.78 and 63,330.17

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Solution

The fourth proportional to 101,277.58, 151,903.78 and 63,330.17 is: 94,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.58 : 151,903.78 = 63,330.17 : x
  2. Step 2: Convert to fraction form
    101,277.58/151,903.78 = 63,330.17/x
  3. Step 3: Cross multiply
    101,277.58x = 151,903.78 × 63,330.17
  4. Step 4: Simplify right side
    101,277.58x = 9,620,091,684.93
  5. Step 5: Solve for x
    x = 9,620,091,684.93/101,277.58
  6. Step 6: Final answer
    x = 94,987.38

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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.