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Finding the Fourth Proportional to 133,641.28, 200,461.92 and 124,783.93

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Solution

The fourth proportional to 133,641.28, 200,461.92 and 124,783.93 is: 187,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,641.28 : 200,461.92 = 124,783.93 : x
  2. Step 2: Convert to fraction form
    133,641.28/200,461.92 = 124,783.93/x
  3. Step 3: Cross multiply
    133,641.28x = 200,461.92 × 124,783.93
  4. Step 4: Simplify right side
    133,641.28x = 25,014,426,192.95
  5. Step 5: Solve for x
    x = 25,014,426,192.95/133,641.28
  6. Step 6: Final answer
    x = 187,175.90

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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.