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Finding the Fourth Proportional to 162,535.80, 243,803.70 and 134,887.80

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Solution

The fourth proportional to 162,535.80, 243,803.70 and 134,887.80 is: 202,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,535.80 : 243,803.70 = 134,887.80 : x
  2. Step 2: Convert to fraction form
    162,535.80/243,803.70 = 134,887.80/x
  3. Step 3: Cross multiply
    162,535.80x = 243,803.70 × 134,887.80
  4. Step 4: Simplify right side
    162,535.80x = 32,886,144,724.86
  5. Step 5: Solve for x
    x = 32,886,144,724.86/162,535.80
  6. Step 6: Final answer
    x = 202,331.70

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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.