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Finding the Fourth Proportional to 76,598.68, 105,703.94 and 46,401.88

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Solution

The fourth proportional to 76,598.68, 105,703.94 and 46,401.88 is: 64,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,598.68 : 105,703.94 = 46,401.88 : x
  2. Step 2: Convert to fraction form
    76,598.68/105,703.94 = 46,401.88/x
  3. Step 3: Cross multiply
    76,598.68x = 105,703.94 × 46,401.88
  4. Step 4: Simplify right side
    76,598.68x = 4,904,861,539.41
  5. Step 5: Solve for x
    x = 4,904,861,539.41/76,598.68
  6. Step 6: Final answer
    x = 64,033.24

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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.