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Finding the Fourth Proportional to 144,969.80, 195,087.15 and 144,969.80

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Solution

The fourth proportional to 144,969.80, 195,087.15 and 144,969.80 is: 195,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,969.80 : 195,087.15 = 144,969.80 : x
  2. Step 2: Convert to fraction form
    144,969.80/195,087.15 = 144,969.80/x
  3. Step 3: Cross multiply
    144,969.80x = 195,087.15 × 144,969.80
  4. Step 4: Simplify right side
    144,969.80x = 28,281,745,118.07
  5. Step 5: Solve for x
    x = 28,281,745,118.07/144,969.80
  6. Step 6: Final answer
    x = 195,087.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.