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Finding the Fourth Proportional to 84,363.48, 116,415.74 and 46,634.76

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Solution

The fourth proportional to 84,363.48, 116,415.74 and 46,634.76 is: 64,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,363.48 : 116,415.74 = 46,634.76 : x
  2. Step 2: Convert to fraction form
    84,363.48/116,415.74 = 46,634.76/x
  3. Step 3: Cross multiply
    84,363.48x = 116,415.74 × 46,634.76
  4. Step 4: Simplify right side
    84,363.48x = 5,429,020,095.12
  5. Step 5: Solve for x
    x = 5,429,020,095.12/84,363.48
  6. Step 6: Final answer
    x = 64,352.73

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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.