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Finding the Fourth Proportional to 174,030.60, 261,045.90 and 118,734.60

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Solution

The fourth proportional to 174,030.60, 261,045.90 and 118,734.60 is: 178,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,030.60 : 261,045.90 = 118,734.60 : x
  2. Step 2: Convert to fraction form
    174,030.60/261,045.90 = 118,734.60/x
  3. Step 3: Cross multiply
    174,030.60x = 261,045.90 × 118,734.60
  4. Step 4: Simplify right side
    174,030.60x = 30,995,180,518.14
  5. Step 5: Solve for x
    x = 30,995,180,518.14/174,030.60
  6. Step 6: Final answer
    x = 178,101.90

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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.