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Finding the Fourth Proportional to 125,628.60, 176,346.60 and 125,628.60

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Solution

The fourth proportional to 125,628.60, 176,346.60 and 125,628.60 is: 176,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,628.60 : 176,346.60 = 125,628.60 : x
  2. Step 2: Convert to fraction form
    125,628.60/176,346.60 = 125,628.60/x
  3. Step 3: Cross multiply
    125,628.60x = 176,346.60 × 125,628.60
  4. Step 4: Simplify right side
    125,628.60x = 22,154,176,472.76
  5. Step 5: Solve for x
    x = 22,154,176,472.76/125,628.60
  6. Step 6: Final answer
    x = 176,346.60

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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.