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Finding the Fourth Proportional to 124,893, 172,348.83 and 68,303.16

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Solution

The fourth proportional to 124,893, 172,348.83 and 68,303.16 is: 94,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893 : 172,348.83 = 68,303.16 : x
  2. Step 2: Convert to fraction form
    124,893/172,348.83 = 68,303.16/x
  3. Step 3: Cross multiply
    124,893x = 172,348.83 × 68,303.16
  4. Step 4: Simplify right side
    124,893x = 11,771,969,711.30
  5. Step 5: Solve for x
    x = 11,771,969,711.30/124,893
  6. Step 6: Final answer
    x = 94,256.44

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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.