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Finding the Fourth Proportional to 165,877.80, 249,075.90 and 95,893.80

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Solution

The fourth proportional to 165,877.80, 249,075.90 and 95,893.80 is: 143,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,877.80 : 249,075.90 = 95,893.80 : x
  2. Step 2: Convert to fraction form
    165,877.80/249,075.90 = 95,893.80/x
  3. Step 3: Cross multiply
    165,877.80x = 249,075.90 × 95,893.80
  4. Step 4: Simplify right side
    165,877.80x = 23,884,834,539.42
  5. Step 5: Solve for x
    x = 23,884,834,539.42/165,877.80
  6. Step 6: Final answer
    x = 143,990.54

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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.