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Finding the Fourth Proportional to 173,495.20, 260,631.60 and 166,410.40

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Solution

The fourth proportional to 173,495.20, 260,631.60 and 166,410.40 is: 249,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,495.20 : 260,631.60 = 166,410.40 : x
  2. Step 2: Convert to fraction form
    173,495.20/260,631.60 = 166,410.40/x
  3. Step 3: Cross multiply
    173,495.20x = 260,631.60 × 166,410.40
  4. Step 4: Simplify right side
    173,495.20x = 43,371,808,808.64
  5. Step 5: Solve for x
    x = 43,371,808,808.64/173,495.20
  6. Step 6: Final answer
    x = 249,988.52

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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.