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Finding the Fourth Proportional to 249,043.95, 373,745.41 and 99,197.53

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Solution

The fourth proportional to 249,043.95, 373,745.41 and 99,197.53 is: 148,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,043.95 : 373,745.41 = 99,197.53 : x
  2. Step 2: Convert to fraction form
    249,043.95/373,745.41 = 99,197.53/x
  3. Step 3: Cross multiply
    249,043.95x = 373,745.41 × 99,197.53
  4. Step 4: Simplify right side
    249,043.95x = 37,074,620,338.48
  5. Step 5: Solve for x
    x = 37,074,620,338.48/249,043.95
  6. Step 6: Final answer
    x = 148,867.78

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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.