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Finding the Fourth Proportional to 173,272.25, 239,116.43 and 93,784.25

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Solution

The fourth proportional to 173,272.25, 239,116.43 and 93,784.25 is: 129,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272.25 : 239,116.43 = 93,784.25 : x
  2. Step 2: Convert to fraction form
    173,272.25/239,116.43 = 93,784.25/x
  3. Step 3: Cross multiply
    173,272.25x = 239,116.43 × 93,784.25
  4. Step 4: Simplify right side
    173,272.25x = 22,425,355,050.23
  5. Step 5: Solve for x
    x = 22,425,355,050.23/173,272.25
  6. Step 6: Final answer
    x = 129,422.66

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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.