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Finding the Fourth Proportional to 82,368.12, 113,664.95 and 44,641.56

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Solution

The fourth proportional to 82,368.12, 113,664.95 and 44,641.56 is: 61,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,368.12 : 113,664.95 = 44,641.56 : x
  2. Step 2: Convert to fraction form
    82,368.12/113,664.95 = 44,641.56/x
  3. Step 3: Cross multiply
    82,368.12x = 113,664.95 × 44,641.56
  4. Step 4: Simplify right side
    82,368.12x = 5,074,180,462.11
  5. Step 5: Solve for x
    x = 5,074,180,462.11/82,368.12
  6. Step 6: Final answer
    x = 61,603.69

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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.