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Finding the Fourth Proportional to 125,154.63, 172,713.60 and 67,794.12

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Solution

The fourth proportional to 125,154.63, 172,713.60 and 67,794.12 is: 93,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,154.63 : 172,713.60 = 67,794.12 : x
  2. Step 2: Convert to fraction form
    125,154.63/172,713.60 = 67,794.12/x
  3. Step 3: Cross multiply
    125,154.63x = 172,713.60 × 67,794.12
  4. Step 4: Simplify right side
    125,154.63x = 11,708,966,524.03
  5. Step 5: Solve for x
    x = 11,708,966,524.03/125,154.63
  6. Step 6: Final answer
    x = 93,556.00

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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.