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Finding the Fourth Proportional to 172,967.17, 238,698.93 and 96,485.71

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Solution

The fourth proportional to 172,967.17, 238,698.93 and 96,485.71 is: 133,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,967.17 : 238,698.93 = 96,485.71 : x
  2. Step 2: Convert to fraction form
    172,967.17/238,698.93 = 96,485.71/x
  3. Step 3: Cross multiply
    172,967.17x = 238,698.93 × 96,485.71
  4. Step 4: Simplify right side
    172,967.17x = 23,031,035,737.29
  5. Step 5: Solve for x
    x = 23,031,035,737.29/172,967.17
  6. Step 6: Final answer
    x = 133,152.64

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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.