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Finding the Fourth Proportional to 172,622.48, 258,612.95 and 93,803.00

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Solution

The fourth proportional to 172,622.48, 258,612.95 and 93,803.00 is: 140,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,622.48 : 258,612.95 = 93,803.00 : x
  2. Step 2: Convert to fraction form
    172,622.48/258,612.95 = 93,803.00/x
  3. Step 3: Cross multiply
    172,622.48x = 258,612.95 × 93,803.00
  4. Step 4: Simplify right side
    172,622.48x = 24,258,669,490.29
  5. Step 5: Solve for x
    x = 24,258,669,490.29/172,622.48
  6. Step 6: Final answer
    x = 140,530.19

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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.