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Finding the Fourth Proportional to 105,349.59, 158,024.55 and 43,020.09

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Solution

The fourth proportional to 105,349.59, 158,024.55 and 43,020.09 is: 64,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,349.59 : 158,024.55 = 43,020.09 : x
  2. Step 2: Convert to fraction form
    105,349.59/158,024.55 = 43,020.09/x
  3. Step 3: Cross multiply
    105,349.59x = 158,024.55 × 43,020.09
  4. Step 4: Simplify right side
    105,349.59x = 6,798,230,363.21
  5. Step 5: Solve for x
    x = 6,798,230,363.21/105,349.59
  6. Step 6: Final answer
    x = 64,530.20

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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.