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Finding the Fourth Proportional to 249,199.90, 373,857.10 and 71,708.38

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Solution

The fourth proportional to 249,199.90, 373,857.10 and 71,708.38 is: 107,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,199.90 : 373,857.10 = 71,708.38 : x
  2. Step 2: Convert to fraction form
    249,199.90/373,857.10 = 71,708.38/x
  3. Step 3: Cross multiply
    249,199.90x = 373,857.10 × 71,708.38
  4. Step 4: Simplify right side
    249,199.90x = 26,808,686,992.50
  5. Step 5: Solve for x
    x = 26,808,686,992.50/249,199.90
  6. Step 6: Final answer
    x = 107,579.04

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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.