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Finding the Fourth Proportional to 183,758.16, 253,588.92 and 103,203.12

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Solution

The fourth proportional to 183,758.16, 253,588.92 and 103,203.12 is: 142,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,758.16 : 253,588.92 = 103,203.12 : x
  2. Step 2: Convert to fraction form
    183,758.16/253,588.92 = 103,203.12/x
  3. Step 3: Cross multiply
    183,758.16x = 253,588.92 × 103,203.12
  4. Step 4: Simplify right side
    183,758.16x = 26,171,167,741.43
  5. Step 5: Solve for x
    x = 26,171,167,741.43/183,758.16
  6. Step 6: Final answer
    x = 142,421.80

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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.