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Finding the Fourth Proportional to 249,463.67, 374,024.70 and 89,536.05

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Solution

The fourth proportional to 249,463.67, 374,024.70 and 89,536.05 is: 134,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,463.67 : 374,024.70 = 89,536.05 : x
  2. Step 2: Convert to fraction form
    249,463.67/374,024.70 = 89,536.05/x
  3. Step 3: Cross multiply
    249,463.67x = 374,024.70 × 89,536.05
  4. Step 4: Simplify right side
    249,463.67x = 33,488,694,240.44
  5. Step 5: Solve for x
    x = 33,488,694,240.44/249,463.67
  6. Step 6: Final answer
    x = 134,242.77

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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.