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Finding the Fourth Proportional to 174,905.10, 245,333.70 and 174,905.10

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Solution

The fourth proportional to 174,905.10, 245,333.70 and 174,905.10 is: 245,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,905.10 : 245,333.70 = 174,905.10 : x
  2. Step 2: Convert to fraction form
    174,905.10/245,333.70 = 174,905.10/x
  3. Step 3: Cross multiply
    174,905.10x = 245,333.70 × 174,905.10
  4. Step 4: Simplify right side
    174,905.10x = 42,910,115,331.87
  5. Step 5: Solve for x
    x = 42,910,115,331.87/174,905.10
  6. Step 6: Final answer
    x = 245,333.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.