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Finding the Fourth Proportional to 170,151.85, 255,227.85 and 70,202.19

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Solution

The fourth proportional to 170,151.85, 255,227.85 and 70,202.19 is: 105,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,151.85 : 255,227.85 = 70,202.19 : x
  2. Step 2: Convert to fraction form
    170,151.85/255,227.85 = 70,202.19/x
  3. Step 3: Cross multiply
    170,151.85x = 255,227.85 × 70,202.19
  4. Step 4: Simplify right side
    170,151.85x = 17,917,553,706.51
  5. Step 5: Solve for x
    x = 17,917,553,706.51/170,151.85
  6. Step 6: Final answer
    x = 105,303.32

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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.