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Finding the Fourth Proportional to 187,265.20, 280,897.80 and 168,602.80

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Solution

The fourth proportional to 187,265.20, 280,897.80 and 168,602.80 is: 252,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.20 : 280,897.80 = 168,602.80 : x
  2. Step 2: Convert to fraction form
    187,265.20/280,897.80 = 168,602.80/x
  3. Step 3: Cross multiply
    187,265.20x = 280,897.80 × 168,602.80
  4. Step 4: Simplify right side
    187,265.20x = 47,360,155,593.84
  5. Step 5: Solve for x
    x = 47,360,155,593.84/187,265.20
  6. Step 6: Final answer
    x = 252,904.20

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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.