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Finding the Fourth Proportional to 110,504.79, 152,551.08 and 76,539.06

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Solution

The fourth proportional to 110,504.79, 152,551.08 and 76,539.06 is: 105,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,504.79 : 152,551.08 = 76,539.06 : x
  2. Step 2: Convert to fraction form
    110,504.79/152,551.08 = 76,539.06/x
  3. Step 3: Cross multiply
    110,504.79x = 152,551.08 × 76,539.06
  4. Step 4: Simplify right side
    110,504.79x = 11,676,116,265.18
  5. Step 5: Solve for x
    x = 11,676,116,265.18/110,504.79
  6. Step 6: Final answer
    x = 105,661.63

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1.5x scale

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.