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Finding the Fourth Proportional to 187,215.60, 280,823.40 and 93,903.60

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Solution

The fourth proportional to 187,215.60, 280,823.40 and 93,903.60 is: 140,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,215.60 : 280,823.40 = 93,903.60 : x
  2. Step 2: Convert to fraction form
    187,215.60/280,823.40 = 93,903.60/x
  3. Step 3: Cross multiply
    187,215.60x = 280,823.40 × 93,903.60
  4. Step 4: Simplify right side
    187,215.60x = 26,370,328,224.24
  5. Step 5: Solve for x
    x = 26,370,328,224.24/187,215.60
  6. Step 6: Final answer
    x = 140,855.40

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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.