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Finding the Fourth Proportional to 170,071.40, 255,107.10 and 96,343.40

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Solution

The fourth proportional to 170,071.40, 255,107.10 and 96,343.40 is: 144,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,071.40 : 255,107.10 = 96,343.40 : x
  2. Step 2: Convert to fraction form
    170,071.40/255,107.10 = 96,343.40/x
  3. Step 3: Cross multiply
    170,071.40x = 255,107.10 × 96,343.40
  4. Step 4: Simplify right side
    170,071.40x = 24,577,885,378.14
  5. Step 5: Solve for x
    x = 24,577,885,378.14/170,071.40
  6. Step 6: Final answer
    x = 144,515.10

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1.5x scale

Why These Related Problems?

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