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Finding the Fourth Proportional to 166,116,812.80, 249,175,219.20 and 166,116,812.80

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Solution

The fourth proportional to 166,116,812.80, 249,175,219.20 and 166,116,812.80 is: 249,175,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,116,812.80 : 249,175,219.20 = 166,116,812.80 : x
  2. Step 2: Convert to fraction form
    166,116,812.80/249,175,219.20 = 166,116,812.80/x
  3. Step 3: Cross multiply
    166,116,812.80x = 249,175,219.20 × 166,116,812.80
  4. Step 4: Simplify right side
    166,116,812.80x = 41,392,193,242,245,368
  5. Step 5: Solve for x
    x = 41,392,193,242,245,368/166,116,812.80
  6. Step 6: Final answer
    x = 249,175,219.20

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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.