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Finding the Fourth Proportional to 154,693.63, 232,040.63 and 42,374.82

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Solution

The fourth proportional to 154,693.63, 232,040.63 and 42,374.82 is: 63,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,693.63 : 232,040.63 = 42,374.82 : x
  2. Step 2: Convert to fraction form
    154,693.63/232,040.63 = 42,374.82/x
  3. Step 3: Cross multiply
    154,693.63x = 232,040.63 × 42,374.82
  4. Step 4: Simplify right side
    154,693.63x = 9,832,679,005.82
  5. Step 5: Solve for x
    x = 9,832,679,005.82/154,693.63
  6. Step 6: Final answer
    x = 63,562.27

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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.