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Finding the Fourth Proportional to 105,366.96, 145,339.92 and 73,524.24

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Solution

The fourth proportional to 105,366.96, 145,339.92 and 73,524.24 is: 101,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,366.96 : 145,339.92 = 73,524.24 : x
  2. Step 2: Convert to fraction form
    105,366.96/145,339.92 = 73,524.24/x
  3. Step 3: Cross multiply
    105,366.96x = 145,339.92 × 73,524.24
  4. Step 4: Simplify right side
    105,366.96x = 10,686,007,159.66
  5. Step 5: Solve for x
    x = 10,686,007,159.66/105,366.96
  6. Step 6: Final answer
    x = 101,417.06

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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.