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Finding the Fourth Proportional to 228,125.51, 314,815.22 and 126,157.82

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Solution

The fourth proportional to 228,125.51, 314,815.22 and 126,157.82 is: 174,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,125.51 : 314,815.22 = 126,157.82 : x
  2. Step 2: Convert to fraction form
    228,125.51/314,815.22 = 126,157.82/x
  3. Step 3: Cross multiply
    228,125.51x = 314,815.22 × 126,157.82
  4. Step 4: Simplify right side
    228,125.51x = 39,716,400,599.34
  5. Step 5: Solve for x
    x = 39,716,400,599.34/228,125.51
  6. Step 6: Final answer
    x = 174,098.90

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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.