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Finding the Fourth Proportional to 86,496, 119,364.48 and 46,752

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Solution

The fourth proportional to 86,496, 119,364.48 and 46,752 is: 64,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,496 : 119,364.48 = 46,752 : x
  2. Step 2: Convert to fraction form
    86,496/119,364.48 = 46,752/x
  3. Step 3: Cross multiply
    86,496x = 119,364.48 × 46,752
  4. Step 4: Simplify right side
    86,496x = 5,580,528,168.96
  5. Step 5: Solve for x
    x = 5,580,528,168.96/86,496
  6. Step 6: Final answer
    x = 64,517.76

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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.