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Finding the Fourth Proportional to 76,675.18, 105,814.10 and 41,752.14

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Solution

The fourth proportional to 76,675.18, 105,814.10 and 41,752.14 is: 57,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,675.18 : 105,814.10 = 41,752.14 : x
  2. Step 2: Convert to fraction form
    76,675.18/105,814.10 = 41,752.14/x
  3. Step 3: Cross multiply
    76,675.18x = 105,814.10 × 41,752.14
  4. Step 4: Simplify right side
    76,675.18x = 4,417,965,117.17
  5. Step 5: Solve for x
    x = 4,417,965,117.17/76,675.18
  6. Step 6: Final answer
    x = 57,619.23

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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.