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Finding the Fourth Proportional to 118,701.30, 178,051.95 and 35,595.30

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Solution

The fourth proportional to 118,701.30, 178,051.95 and 35,595.30 is: 53,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,701.30 : 178,051.95 = 35,595.30 : x
  2. Step 2: Convert to fraction form
    118,701.30/178,051.95 = 35,595.30/x
  3. Step 3: Cross multiply
    118,701.30x = 178,051.95 × 35,595.30
  4. Step 4: Simplify right side
    118,701.30x = 6,337,812,575.84
  5. Step 5: Solve for x
    x = 6,337,812,575.84/118,701.30
  6. Step 6: Final answer
    x = 53,392.95

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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.