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Finding the Fourth Proportional to 134,425.99, 201,522.34 and 67,810.51

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Solution

The fourth proportional to 134,425.99, 201,522.34 and 67,810.51 is: 101,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,425.99 : 201,522.34 = 67,810.51 : x
  2. Step 2: Convert to fraction form
    134,425.99/201,522.34 = 67,810.51/x
  3. Step 3: Cross multiply
    134,425.99x = 201,522.34 × 67,810.51
  4. Step 4: Simplify right side
    134,425.99x = 13,665,331,474.66
  5. Step 5: Solve for x
    x = 13,665,331,474.66/134,425.99
  6. Step 6: Final answer
    x = 101,656.92

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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.