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Finding the Fourth Proportional to 194,750.90, 292,126.35 and 47,006.90

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Solution

The fourth proportional to 194,750.90, 292,126.35 and 47,006.90 is: 70,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,750.90 : 292,126.35 = 47,006.90 : x
  2. Step 2: Convert to fraction form
    194,750.90/292,126.35 = 47,006.90/x
  3. Step 3: Cross multiply
    194,750.90x = 292,126.35 × 47,006.90
  4. Step 4: Simplify right side
    194,750.90x = 13,731,954,852.13
  5. Step 5: Solve for x
    x = 13,731,954,852.13/194,750.90
  6. Step 6: Final answer
    x = 70,510.35

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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.