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Finding the Fourth Proportional to 117,009.55, 175,514.33 and 112,088.80

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Solution

The fourth proportional to 117,009.55, 175,514.33 and 112,088.80 is: 168,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.55 : 175,514.33 = 112,088.80 : x
  2. Step 2: Convert to fraction form
    117,009.55/175,514.33 = 112,088.80/x
  3. Step 3: Cross multiply
    117,009.55x = 175,514.33 × 112,088.80
  4. Step 4: Simplify right side
    117,009.55x = 19,673,190,632.50
  5. Step 5: Solve for x
    x = 19,673,190,632.50/117,009.55
  6. Step 6: Final answer
    x = 168,133.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.