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Finding the Fourth Proportional to 171,415.04, 236,573.88 and 103,471

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Solution

The fourth proportional to 171,415.04, 236,573.88 and 103,471 is: 142,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,415.04 : 236,573.88 = 103,471 : x
  2. Step 2: Convert to fraction form
    171,415.04/236,573.88 = 103,471/x
  3. Step 3: Cross multiply
    171,415.04x = 236,573.88 × 103,471
  4. Step 4: Simplify right side
    171,415.04x = 24,478,535,937.48
  5. Step 5: Solve for x
    x = 24,478,535,937.48/171,415.04
  6. Step 6: Final answer
    x = 142,802.73

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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.