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Finding the Fourth Proportional to 170,124.88, 234,770.40 and 93,642.34

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Solution

The fourth proportional to 170,124.88, 234,770.40 and 93,642.34 is: 129,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,124.88 : 234,770.40 = 93,642.34 : x
  2. Step 2: Convert to fraction form
    170,124.88/234,770.40 = 93,642.34/x
  3. Step 3: Cross multiply
    170,124.88x = 234,770.40 × 93,642.34
  4. Step 4: Simplify right side
    170,124.88x = 21,984,449,618.74
  5. Step 5: Solve for x
    x = 21,984,449,618.74/170,124.88
  6. Step 6: Final answer
    x = 129,225.36

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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.