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Finding the Fourth Proportional to 124,179.93, 171,363.54 and 70,461.74

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Solution

The fourth proportional to 124,179.93, 171,363.54 and 70,461.74 is: 97,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,179.93 : 171,363.54 = 70,461.74 : x
  2. Step 2: Convert to fraction form
    124,179.93/171,363.54 = 70,461.74/x
  3. Step 3: Cross multiply
    124,179.93x = 171,363.54 × 70,461.74
  4. Step 4: Simplify right side
    124,179.93x = 12,074,571,991.83
  5. Step 5: Solve for x
    x = 12,074,571,991.83/124,179.93
  6. Step 6: Final answer
    x = 97,234.49

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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.