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Finding the Fourth Proportional to 118,458, 177,715.08 and 35,354.16

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Solution

The fourth proportional to 118,458, 177,715.08 and 35,354.16 is: 53,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,458 : 177,715.08 = 35,354.16 : x
  2. Step 2: Convert to fraction form
    118,458/177,715.08 = 35,354.16/x
  3. Step 3: Cross multiply
    118,458x = 177,715.08 × 35,354.16
  4. Step 4: Simplify right side
    118,458x = 6,282,967,372.73
  5. Step 5: Solve for x
    x = 6,282,967,372.73/118,458
  6. Step 6: Final answer
    x = 53,039.62

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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.