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Finding the Fourth Proportional to 155,703.84, 214,887.18 and 95,314.38

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Solution

The fourth proportional to 155,703.84, 214,887.18 and 95,314.38 is: 131,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,703.84 : 214,887.18 = 95,314.38 : x
  2. Step 2: Convert to fraction form
    155,703.84/214,887.18 = 95,314.38/x
  3. Step 3: Cross multiply
    155,703.84x = 214,887.18 × 95,314.38
  4. Step 4: Simplify right side
    155,703.84x = 20,481,838,331.65
  5. Step 5: Solve for x
    x = 20,481,838,331.65/155,703.84
  6. Step 6: Final answer
    x = 131,543.57

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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.