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Finding the Fourth Proportional to 125,698.60, 188,609.34 and 59,145.34

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Solution

The fourth proportional to 125,698.60, 188,609.34 and 59,145.34 is: 88,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,698.60 : 188,609.34 = 59,145.34 : x
  2. Step 2: Convert to fraction form
    125,698.60/188,609.34 = 59,145.34/x
  3. Step 3: Cross multiply
    125,698.60x = 188,609.34 × 59,145.34
  4. Step 4: Simplify right side
    125,698.60x = 11,155,363,541.48
  5. Step 5: Solve for x
    x = 11,155,363,541.48/125,698.60
  6. Step 6: Final answer
    x = 88,746.92

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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.