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Finding the Fourth Proportional to 267,643.50, 369,348.03 and 148,411.50

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Solution

The fourth proportional to 267,643.50, 369,348.03 and 148,411.50 is: 204,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,643.50 : 369,348.03 = 148,411.50 : x
  2. Step 2: Convert to fraction form
    267,643.50/369,348.03 = 148,411.50/x
  3. Step 3: Cross multiply
    267,643.50x = 369,348.03 × 148,411.50
  4. Step 4: Simplify right side
    267,643.50x = 54,815,495,154.35
  5. Step 5: Solve for x
    x = 54,815,495,154.35/267,643.50
  6. Step 6: Final answer
    x = 204,807.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.