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Finding the Fourth Proportional to 228,115.87, 314,838.96 and 132,677.92

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Solution

The fourth proportional to 228,115.87, 314,838.96 and 132,677.92 is: 183,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,115.87 : 314,838.96 = 132,677.92 : x
  2. Step 2: Convert to fraction form
    228,115.87/314,838.96 = 132,677.92/x
  3. Step 3: Cross multiply
    228,115.87x = 314,838.96 × 132,677.92
  4. Step 4: Simplify right side
    228,115.87x = 41,772,178,347.76
  5. Step 5: Solve for x
    x = 41,772,178,347.76/228,115.87
  6. Step 6: Final answer
    x = 183,118.25

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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.