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Finding the Fourth Proportional to 174,275.80, 261,672.90 and 134,877.40

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Solution

The fourth proportional to 174,275.80, 261,672.90 and 134,877.40 is: 202,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,275.80 : 261,672.90 = 134,877.40 : x
  2. Step 2: Convert to fraction form
    174,275.80/261,672.90 = 134,877.40/x
  3. Step 3: Cross multiply
    174,275.80x = 261,672.90 × 134,877.40
  4. Step 4: Simplify right side
    174,275.80x = 35,293,760,402.46
  5. Step 5: Solve for x
    x = 35,293,760,402.46/174,275.80
  6. Step 6: Final answer
    x = 202,516.70

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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.