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Finding the Fourth Proportional to 228,312.88, 314,995.08 and 132,741.52

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Solution

The fourth proportional to 228,312.88, 314,995.08 and 132,741.52 is: 183,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,312.88 : 314,995.08 = 132,741.52 : x
  2. Step 2: Convert to fraction form
    228,312.88/314,995.08 = 132,741.52/x
  3. Step 3: Cross multiply
    228,312.88x = 314,995.08 × 132,741.52
  4. Step 4: Simplify right side
    228,312.88x = 41,812,925,711.72
  5. Step 5: Solve for x
    x = 41,812,925,711.72/228,312.88
  6. Step 6: Final answer
    x = 183,138.71

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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.