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Finding the Fourth Proportional to 133,560.30, 200,340.45 and 127,655.40

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Solution

The fourth proportional to 133,560.30, 200,340.45 and 127,655.40 is: 191,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,560.30 : 200,340.45 = 127,655.40 : x
  2. Step 2: Convert to fraction form
    133,560.30/200,340.45 = 127,655.40/x
  3. Step 3: Cross multiply
    133,560.30x = 200,340.45 × 127,655.40
  4. Step 4: Simplify right side
    133,560.30x = 25,574,540,280.93
  5. Step 5: Solve for x
    x = 25,574,540,280.93/133,560.30
  6. Step 6: Final answer
    x = 191,483.10

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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.