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Finding the Fourth Proportional to 110,348.06, 152,291.54 and 65,040.60

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Solution

The fourth proportional to 110,348.06, 152,291.54 and 65,040.60 is: 89,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,348.06 : 152,291.54 = 65,040.60 : x
  2. Step 2: Convert to fraction form
    110,348.06/152,291.54 = 65,040.60/x
  3. Step 3: Cross multiply
    110,348.06x = 152,291.54 × 65,040.60
  4. Step 4: Simplify right side
    110,348.06x = 9,905,133,870.22
  5. Step 5: Solve for x
    x = 9,905,133,870.22/110,348.06
  6. Step 6: Final answer
    x = 89,762.65

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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.