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Finding the Fourth Proportional to 105,392.56, 158,088.84 and 43,063

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Solution

The fourth proportional to 105,392.56, 158,088.84 and 43,063 is: 64,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,392.56 : 158,088.84 = 43,063 : x
  2. Step 2: Convert to fraction form
    105,392.56/158,088.84 = 43,063/x
  3. Step 3: Cross multiply
    105,392.56x = 158,088.84 × 43,063
  4. Step 4: Simplify right side
    105,392.56x = 6,807,779,716.92
  5. Step 5: Solve for x
    x = 6,807,779,716.92/105,392.56
  6. Step 6: Final answer
    x = 64,594.50

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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.