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Finding the Fourth Proportional to 125,670, 173,376.48 and 93,042.12

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Solution

The fourth proportional to 125,670, 173,376.48 and 93,042.12 is: 128,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670 : 173,376.48 = 93,042.12 : x
  2. Step 2: Convert to fraction form
    125,670/173,376.48 = 93,042.12/x
  3. Step 3: Cross multiply
    125,670x = 173,376.48 × 93,042.12
  4. Step 4: Simplify right side
    125,670x = 16,131,315,257.34
  5. Step 5: Solve for x
    x = 16,131,315,257.34/125,670
  6. Step 6: Final answer
    x = 128,362.50

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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.