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Finding the Fourth Proportional to 125,894.40, 176,563.20 and 125,894.40

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Solution

The fourth proportional to 125,894.40, 176,563.20 and 125,894.40 is: 176,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894.40 : 176,563.20 = 125,894.40 : x
  2. Step 2: Convert to fraction form
    125,894.40/176,563.20 = 125,894.40/x
  3. Step 3: Cross multiply
    125,894.40x = 176,563.20 × 125,894.40
  4. Step 4: Simplify right side
    125,894.40x = 22,228,318,126.08
  5. Step 5: Solve for x
    x = 22,228,318,126.08/125,894.40
  6. Step 6: Final answer
    x = 176,563.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.