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Finding the Fourth Proportional to 172,810.13, 238,477.98 and 93,322.13

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Solution

The fourth proportional to 172,810.13, 238,477.98 and 93,322.13 is: 128,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,810.13 : 238,477.98 = 93,322.13 : x
  2. Step 2: Convert to fraction form
    172,810.13/238,477.98 = 93,322.13/x
  3. Step 3: Cross multiply
    172,810.13x = 238,477.98 × 93,322.13
  4. Step 4: Simplify right side
    172,810.13x = 22,255,271,859.31
  5. Step 5: Solve for x
    x = 22,255,271,859.31/172,810.13
  6. Step 6: Final answer
    x = 128,784.54

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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.