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Finding the Fourth Proportional to 173,009.36, 238,712.16 and 105,024.68

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Solution

The fourth proportional to 173,009.36, 238,712.16 and 105,024.68 is: 144,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,009.36 : 238,712.16 = 105,024.68 : x
  2. Step 2: Convert to fraction form
    173,009.36/238,712.16 = 105,024.68/x
  3. Step 3: Cross multiply
    173,009.36x = 238,712.16 × 105,024.68
  4. Step 4: Simplify right side
    173,009.36x = 25,070,668,216.11
  5. Step 5: Solve for x
    x = 25,070,668,216.11/173,009.36
  6. Step 6: Final answer
    x = 144,909.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.