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Finding the Fourth Proportional to 166,431.80, 249,647.70 and 166,431.80

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Solution

The fourth proportional to 166,431.80, 249,647.70 and 166,431.80 is: 249,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,431.80 : 249,647.70 = 166,431.80 : x
  2. Step 2: Convert to fraction form
    166,431.80/249,647.70 = 166,431.80/x
  3. Step 3: Cross multiply
    166,431.80x = 249,647.70 × 166,431.80
  4. Step 4: Simplify right side
    166,431.80x = 41,549,316,076.86
  5. Step 5: Solve for x
    x = 41,549,316,076.86/166,431.80
  6. Step 6: Final answer
    x = 249,647.70

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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.