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Finding the Fourth Proportional to 125,628.36, 188,492.76 and 46,808.88

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Solution

The fourth proportional to 125,628.36, 188,492.76 and 46,808.88 is: 70,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,628.36 : 188,492.76 = 46,808.88 : x
  2. Step 2: Convert to fraction form
    125,628.36/188,492.76 = 46,808.88/x
  3. Step 3: Cross multiply
    125,628.36x = 188,492.76 × 46,808.88
  4. Step 4: Simplify right side
    125,628.36x = 8,823,134,983.71
  5. Step 5: Solve for x
    x = 8,823,134,983.71/125,628.36
  6. Step 6: Final answer
    x = 70,232.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.