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Finding the Fourth Proportional to 118,700.95, 178,069.02 and 34,461.81

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Solution

The fourth proportional to 118,700.95, 178,069.02 and 34,461.81 is: 51,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,700.95 : 178,069.02 = 34,461.81 : x
  2. Step 2: Convert to fraction form
    118,700.95/178,069.02 = 34,461.81/x
  3. Step 3: Cross multiply
    118,700.95x = 178,069.02 × 34,461.81
  4. Step 4: Simplify right side
    118,700.95x = 6,136,580,734.13
  5. Step 5: Solve for x
    x = 6,136,580,734.13/118,700.95
  6. Step 6: Final answer
    x = 51,697.82

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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.