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Finding the Fourth Proportional to 105,352.59, 158,029.05 and 43,023.09

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Solution

The fourth proportional to 105,352.59, 158,029.05 and 43,023.09 is: 64,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,352.59 : 158,029.05 = 43,023.09 : x
  2. Step 2: Convert to fraction form
    105,352.59/158,029.05 = 43,023.09/x
  3. Step 3: Cross multiply
    105,352.59x = 158,029.05 × 43,023.09
  4. Step 4: Simplify right side
    105,352.59x = 6,798,898,040.76
  5. Step 5: Solve for x
    x = 6,798,898,040.76/105,352.59
  6. Step 6: Final answer
    x = 64,534.70

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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.