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Finding the Fourth Proportional to 125,598.89, 188,398.40 and 46,702.86

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Solution

The fourth proportional to 125,598.89, 188,398.40 and 46,702.86 is: 70,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,598.89 : 188,398.40 = 46,702.86 : x
  2. Step 2: Convert to fraction form
    125,598.89/188,398.40 = 46,702.86/x
  3. Step 3: Cross multiply
    125,598.89x = 188,398.40 × 46,702.86
  4. Step 4: Simplify right side
    125,598.89x = 8,798,743,865.91
  5. Step 5: Solve for x
    x = 8,798,743,865.91/125,598.89
  6. Step 6: Final answer
    x = 70,054.32

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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.