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Finding the Fourth Proportional to 170,384.88, 235,133.64 and 98,770.32

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Solution

The fourth proportional to 170,384.88, 235,133.64 and 98,770.32 is: 136,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,384.88 : 235,133.64 = 98,770.32 : x
  2. Step 2: Convert to fraction form
    170,384.88/235,133.64 = 98,770.32/x
  3. Step 3: Cross multiply
    170,384.88x = 235,133.64 × 98,770.32
  4. Step 4: Simplify right side
    170,384.88x = 23,224,224,865.56
  5. Step 5: Solve for x
    x = 23,224,224,865.56/170,384.88
  6. Step 6: Final answer
    x = 136,304.49

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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.