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Finding the Fourth Proportional to 286,035.62, 429,192.85 and 117,606.55

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Solution

The fourth proportional to 286,035.62, 429,192.85 and 117,606.55 is: 176,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,035.62 : 429,192.85 = 117,606.55 : x
  2. Step 2: Convert to fraction form
    286,035.62/429,192.85 = 117,606.55/x
  3. Step 3: Cross multiply
    286,035.62x = 429,192.85 × 117,606.55
  4. Step 4: Simplify right side
    286,035.62x = 50,475,890,373.17
  5. Step 5: Solve for x
    x = 50,475,890,373.17/286,035.62
  6. Step 6: Final answer
    x = 176,467.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.