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Finding the Fourth Proportional to 170,280.72, 234,987.84 and 93,798

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Solution

The fourth proportional to 170,280.72, 234,987.84 and 93,798 is: 129,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,280.72 : 234,987.84 = 93,798 : x
  2. Step 2: Convert to fraction form
    170,280.72/234,987.84 = 93,798/x
  3. Step 3: Cross multiply
    170,280.72x = 234,987.84 × 93,798
  4. Step 4: Simplify right side
    170,280.72x = 22,041,389,416.32
  5. Step 5: Solve for x
    x = 22,041,389,416.32/170,280.72
  6. Step 6: Final answer
    x = 129,441.49

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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.