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Finding the Fourth Proportional to 249,278.82, 373,905.78 and 91,494.90

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Solution

The fourth proportional to 249,278.82, 373,905.78 and 91,494.90 is: 137,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,278.82 : 373,905.78 = 91,494.90 : x
  2. Step 2: Convert to fraction form
    249,278.82/373,905.78 = 91,494.90/x
  3. Step 3: Cross multiply
    249,278.82x = 373,905.78 × 91,494.90
  4. Step 4: Simplify right side
    249,278.82x = 34,210,471,950.52
  5. Step 5: Solve for x
    x = 34,210,471,950.52/249,278.82
  6. Step 6: Final answer
    x = 137,237.78

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1.5x scale

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.