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Finding the Fourth Proportional to 166,103,622.80, 249,155,434.20 and 166,103,622.80

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Solution

The fourth proportional to 166,103,622.80, 249,155,434.20 and 166,103,622.80 is: 249,155,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,103,622.80 : 249,155,434.20 = 166,103,622.80 : x
  2. Step 2: Convert to fraction form
    166,103,622.80/249,155,434.20 = 166,103,622.80/x
  3. Step 3: Cross multiply
    166,103,622.80x = 249,155,434.20 × 166,103,622.80
  4. Step 4: Simplify right side
    166,103,622.80x = 41,385,620,260,927,024
  5. Step 5: Solve for x
    x = 41,385,620,260,927,024/166,103,622.80
  6. Step 6: Final answer
    x = 249,155,434.20

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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.