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Finding the Fourth Proportional to 185,545.96, 256,077.57 and 103,905.30

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Solution

The fourth proportional to 185,545.96, 256,077.57 and 103,905.30 is: 143,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,545.96 : 256,077.57 = 103,905.30 : x
  2. Step 2: Convert to fraction form
    185,545.96/256,077.57 = 103,905.30/x
  3. Step 3: Cross multiply
    185,545.96x = 256,077.57 × 103,905.30
  4. Step 4: Simplify right side
    185,545.96x = 26,607,816,734.12
  5. Step 5: Solve for x
    x = 26,607,816,734.12/185,545.96
  6. Step 6: Final answer
    x = 143,402.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.