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Finding the Fourth Proportional to 170,841.26, 235,871.80 and 152,905.16

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Solution

The fourth proportional to 170,841.26, 235,871.80 and 152,905.16 is: 211,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,841.26 : 235,871.80 = 152,905.16 : x
  2. Step 2: Convert to fraction form
    170,841.26/235,871.80 = 152,905.16/x
  3. Step 3: Cross multiply
    170,841.26x = 235,871.80 × 152,905.16
  4. Step 4: Simplify right side
    170,841.26x = 36,066,015,318.49
  5. Step 5: Solve for x
    x = 36,066,015,318.49/170,841.26
  6. Step 6: Final answer
    x = 211,108.34

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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.