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Finding the Fourth Proportional to 174,420.60, 240,697.36 and 97,940.30

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Solution

The fourth proportional to 174,420.60, 240,697.36 and 97,940.30 is: 135,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,420.60 : 240,697.36 = 97,940.30 : x
  2. Step 2: Convert to fraction form
    174,420.60/240,697.36 = 97,940.30/x
  3. Step 3: Cross multiply
    174,420.60x = 240,697.36 × 97,940.30
  4. Step 4: Simplify right side
    174,420.60x = 23,573,971,647.61
  5. Step 5: Solve for x
    x = 23,573,971,647.61/174,420.60
  6. Step 6: Final answer
    x = 135,155.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.