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Finding the Fourth Proportional to 162,307.91, 244,569.74 and 133,373.90

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Solution

The fourth proportional to 162,307.91, 244,569.74 and 133,373.90 is: 200,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,307.91 : 244,569.74 = 133,373.90 : x
  2. Step 2: Convert to fraction form
    162,307.91/244,569.74 = 133,373.90/x
  3. Step 3: Cross multiply
    162,307.91x = 244,569.74 × 133,373.90
  4. Step 4: Simplify right side
    162,307.91x = 32,619,220,045.79
  5. Step 5: Solve for x
    x = 32,619,220,045.79/162,307.91
  6. Step 6: Final answer
    x = 200,971.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.