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Finding the Fourth Proportional to 86,492.81, 119,360.02 and 46,748.81

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Solution

The fourth proportional to 86,492.81, 119,360.02 and 46,748.81 is: 64,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,492.81 : 119,360.02 = 46,748.81 : x
  2. Step 2: Convert to fraction form
    86,492.81/119,360.02 = 46,748.81/x
  3. Step 3: Cross multiply
    86,492.81x = 119,360.02 × 46,748.81
  4. Step 4: Simplify right side
    86,492.81x = 5,579,938,896.58
  5. Step 5: Solve for x
    x = 5,579,938,896.58/86,492.81
  6. Step 6: Final answer
    x = 64,513.33

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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.