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Finding the Fourth Proportional to 194,752.62, 292,128.93 and 47,008.62

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Solution

The fourth proportional to 194,752.62, 292,128.93 and 47,008.62 is: 70,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,752.62 : 292,128.93 = 47,008.62 : x
  2. Step 2: Convert to fraction form
    194,752.62/292,128.93 = 47,008.62/x
  3. Step 3: Cross multiply
    194,752.62x = 292,128.93 × 47,008.62
  4. Step 4: Simplify right side
    194,752.62x = 13,732,577,861.38
  5. Step 5: Solve for x
    x = 13,732,577,861.38/194,752.62
  6. Step 6: Final answer
    x = 70,512.93

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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.