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Finding the Fourth Proportional to 492,094.76, 738,142.15 and 118,117.76

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Solution

The fourth proportional to 492,094.76, 738,142.15 and 118,117.76 is: 177,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,094.76 : 738,142.15 = 118,117.76 : x
  2. Step 2: Convert to fraction form
    492,094.76/738,142.15 = 118,117.76/x
  3. Step 3: Cross multiply
    492,094.76x = 738,142.15 × 118,117.76
  4. Step 4: Simplify right side
    492,094.76x = 87,187,697,319.58
  5. Step 5: Solve for x
    x = 87,187,697,319.58/492,094.76
  6. Step 6: Final answer
    x = 177,176.64

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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.