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Finding the Fourth Proportional to 123,967.70, 171,075.41 and 73,666.70

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Solution

The fourth proportional to 123,967.70, 171,075.41 and 73,666.70 is: 101,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,967.70 : 171,075.41 = 73,666.70 : x
  2. Step 2: Convert to fraction form
    123,967.70/171,075.41 = 73,666.70/x
  3. Step 3: Cross multiply
    123,967.70x = 171,075.41 × 73,666.70
  4. Step 4: Simplify right side
    123,967.70x = 12,602,559,682.14
  5. Step 5: Solve for x
    x = 12,602,559,682.14/123,967.70
  6. Step 6: Final answer
    x = 101,660.03

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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.