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Finding the Fourth Proportional to 125,227.54, 172,807.59 and 68,627.98

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Solution

The fourth proportional to 125,227.54, 172,807.59 and 68,627.98 is: 94,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,227.54 : 172,807.59 = 68,627.98 : x
  2. Step 2: Convert to fraction form
    125,227.54/172,807.59 = 68,627.98/x
  3. Step 3: Cross multiply
    125,227.54x = 172,807.59 × 68,627.98
  4. Step 4: Simplify right side
    125,227.54x = 11,859,435,830.37
  5. Step 5: Solve for x
    x = 11,859,435,830.37/125,227.54
  6. Step 6: Final answer
    x = 94,703.10

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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.