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Finding the Fourth Proportional to 177,966,806.80, 249,511,847.60 and 177,966,806.80

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Solution

The fourth proportional to 177,966,806.80, 249,511,847.60 and 177,966,806.80 is: 249,511,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,966,806.80 : 249,511,847.60 = 177,966,806.80 : x
  2. Step 2: Convert to fraction form
    177,966,806.80/249,511,847.60 = 177,966,806.80/x
  3. Step 3: Cross multiply
    177,966,806.80x = 249,511,847.60 × 177,966,806.80
  4. Step 4: Simplify right side
    177,966,806.80x = 44,404,826,776,140,248
  5. Step 5: Solve for x
    x = 44,404,826,776,140,248/177,966,806.80
  6. Step 6: Final answer
    x = 249,511,847.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.