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Finding the Fourth Proportional to 125,401.98, 172,920.51 and 94,844.46

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Solution

The fourth proportional to 125,401.98, 172,920.51 and 94,844.46 is: 130,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,401.98 : 172,920.51 = 94,844.46 : x
  2. Step 2: Convert to fraction form
    125,401.98/172,920.51 = 94,844.46/x
  3. Step 3: Cross multiply
    125,401.98x = 172,920.51 × 94,844.46
  4. Step 4: Simplify right side
    125,401.98x = 16,400,552,393.87
  5. Step 5: Solve for x
    x = 16,400,552,393.87/125,401.98
  6. Step 6: Final answer
    x = 130,783.84

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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.