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Finding the Fourth Proportional to 152,815.04, 210,887.04 and 92,374.88

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Solution

The fourth proportional to 152,815.04, 210,887.04 and 92,374.88 is: 127,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,815.04 : 210,887.04 = 92,374.88 : x
  2. Step 2: Convert to fraction form
    152,815.04/210,887.04 = 92,374.88/x
  3. Step 3: Cross multiply
    152,815.04x = 210,887.04 × 92,374.88
  4. Step 4: Simplify right side
    152,815.04x = 19,480,665,013.56
  5. Step 5: Solve for x
    x = 19,480,665,013.56/152,815.04
  6. Step 6: Final answer
    x = 127,478.72

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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.