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Finding the Fourth Proportional to 101,093.70, 151,567.65 and 66,053.10

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Solution

The fourth proportional to 101,093.70, 151,567.65 and 66,053.10 is: 99,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,093.70 : 151,567.65 = 66,053.10 : x
  2. Step 2: Convert to fraction form
    101,093.70/151,567.65 = 66,053.10/x
  3. Step 3: Cross multiply
    101,093.70x = 151,567.65 × 66,053.10
  4. Step 4: Simplify right side
    101,093.70x = 10,011,513,142.22
  5. Step 5: Solve for x
    x = 10,011,513,142.22/101,093.70
  6. Step 6: Final answer
    x = 99,032.02

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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.