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Finding the Fourth Proportional to 125,580.16, 188,341.04 and 46,731.52

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Solution

The fourth proportional to 125,580.16, 188,341.04 and 46,731.52 is: 70,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,580.16 : 188,341.04 = 46,731.52 : x
  2. Step 2: Convert to fraction form
    125,580.16/188,341.04 = 46,731.52/x
  3. Step 3: Cross multiply
    125,580.16x = 188,341.04 × 46,731.52
  4. Step 4: Simplify right side
    125,580.16x = 8,801,463,077.58
  5. Step 5: Solve for x
    x = 8,801,463,077.58/125,580.16
  6. Step 6: Final answer
    x = 70,086.41

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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.