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Finding the Fourth Proportional to 173,461, 239,376.50 and 93,973

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Solution

The fourth proportional to 173,461, 239,376.50 and 93,973 is: 129,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,461 : 239,376.50 = 93,973 : x
  2. Step 2: Convert to fraction form
    173,461/239,376.50 = 93,973/x
  3. Step 3: Cross multiply
    173,461x = 239,376.50 × 93,973
  4. Step 4: Simplify right side
    173,461x = 22,494,927,834.50
  5. Step 5: Solve for x
    x = 22,494,927,834.50/173,461
  6. Step 6: Final answer
    x = 129,682.91

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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.