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Finding the Fourth Proportional to 166,059.40, 249,056.70 and 53,712.40

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Solution

The fourth proportional to 166,059.40, 249,056.70 and 53,712.40 is: 80,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,059.40 : 249,056.70 = 53,712.40 : x
  2. Step 2: Convert to fraction form
    166,059.40/249,056.70 = 53,712.40/x
  3. Step 3: Cross multiply
    166,059.40x = 249,056.70 × 53,712.40
  4. Step 4: Simplify right side
    166,059.40x = 13,377,433,093.08
  5. Step 5: Solve for x
    x = 13,377,433,093.08/166,059.40
  6. Step 6: Final answer
    x = 80,558.12

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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.