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Finding the Fourth Proportional to 105,246.64, 145,240.50 and 59,922.64

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Solution

The fourth proportional to 105,246.64, 145,240.50 and 59,922.64 is: 82,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,246.64 : 145,240.50 = 59,922.64 : x
  2. Step 2: Convert to fraction form
    105,246.64/145,240.50 = 59,922.64/x
  3. Step 3: Cross multiply
    105,246.64x = 145,240.50 × 59,922.64
  4. Step 4: Simplify right side
    105,246.64x = 8,703,194,194.92
  5. Step 5: Solve for x
    x = 8,703,194,194.92/105,246.64
  6. Step 6: Final answer
    x = 82,693.32

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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.