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Finding the Fourth Proportional to 187,219.70, 280,829.55 and 116,360.90

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Solution

The fourth proportional to 187,219.70, 280,829.55 and 116,360.90 is: 174,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,219.70 : 280,829.55 = 116,360.90 : x
  2. Step 2: Convert to fraction form
    187,219.70/280,829.55 = 116,360.90/x
  3. Step 3: Cross multiply
    187,219.70x = 280,829.55 × 116,360.90
  4. Step 4: Simplify right side
    187,219.70x = 32,677,579,184.60
  5. Step 5: Solve for x
    x = 32,677,579,184.60/187,219.70
  6. Step 6: Final answer
    x = 174,541.35

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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.