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Finding the Fourth Proportional to 173,485.40, 260,228.10 and 134,119.40

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Solution

The fourth proportional to 173,485.40, 260,228.10 and 134,119.40 is: 201,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,485.40 : 260,228.10 = 134,119.40 : x
  2. Step 2: Convert to fraction form
    173,485.40/260,228.10 = 134,119.40/x
  3. Step 3: Cross multiply
    173,485.40x = 260,228.10 × 134,119.40
  4. Step 4: Simplify right side
    173,485.40x = 34,901,636,635.14
  5. Step 5: Solve for x
    x = 34,901,636,635.14/173,485.40
  6. Step 6: Final answer
    x = 201,179.10

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1.5x scale

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.