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Finding the Fourth Proportional to 188,482.61, 260,108.00 and 102,441.60

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Solution

The fourth proportional to 188,482.61, 260,108.00 and 102,441.60 is: 141,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,482.61 : 260,108.00 = 102,441.60 : x
  2. Step 2: Convert to fraction form
    188,482.61/260,108.00 = 102,441.60/x
  3. Step 3: Cross multiply
    188,482.61x = 260,108.00 × 102,441.60
  4. Step 4: Simplify right side
    188,482.61x = 26,645,879,948.90
  5. Step 5: Solve for x
    x = 26,645,879,948.90/188,482.61
  6. Step 6: Final answer
    x = 141,370.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.