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Finding the Fourth Proportional to 104,543.38, 144,259.45 and 59,212.32

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Solution

The fourth proportional to 104,543.38, 144,259.45 and 59,212.32 is: 81,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.38 : 144,259.45 = 59,212.32 : x
  2. Step 2: Convert to fraction form
    104,543.38/144,259.45 = 59,212.32/x
  3. Step 3: Cross multiply
    104,543.38x = 144,259.45 × 59,212.32
  4. Step 4: Simplify right side
    104,543.38x = 8,541,936,716.42
  5. Step 5: Solve for x
    x = 8,541,936,716.42/104,543.38
  6. Step 6: Final answer
    x = 81,707.10

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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.