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Finding the Fourth Proportional to 144,087.90, 201,256.50 and 144,087.90

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Solution

The fourth proportional to 144,087.90, 201,256.50 and 144,087.90 is: 201,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,087.90 : 201,256.50 = 144,087.90 : x
  2. Step 2: Convert to fraction form
    144,087.90/201,256.50 = 144,087.90/x
  3. Step 3: Cross multiply
    144,087.90x = 201,256.50 × 144,087.90
  4. Step 4: Simplify right side
    144,087.90x = 28,998,626,446.35
  5. Step 5: Solve for x
    x = 28,998,626,446.35/144,087.90
  6. Step 6: Final answer
    x = 201,256.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.