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Finding the Fourth Proportional to 166,351,785.60, 249,079,780.80 and 166,351,785.60

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Solution

The fourth proportional to 166,351,785.60, 249,079,780.80 and 166,351,785.60 is: 249,079,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,351,785.60 : 249,079,780.80 = 166,351,785.60 : x
  2. Step 2: Convert to fraction form
    166,351,785.60/249,079,780.80 = 166,351,785.60/x
  3. Step 3: Cross multiply
    166,351,785.60x = 249,079,780.80 × 166,351,785.60
  4. Step 4: Simplify right side
    166,351,785.60x = 41,434,866,292,936,600
  5. Step 5: Solve for x
    x = 41,434,866,292,936,600/166,351,785.60
  6. Step 6: Final answer
    x = 249,079,780.80

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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.