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Finding the Fourth Proportional to 88,323, 121,887.66 and 48,579

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Solution

The fourth proportional to 88,323, 121,887.66 and 48,579 is: 67,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,323 : 121,887.66 = 48,579 : x
  2. Step 2: Convert to fraction form
    88,323/121,887.66 = 48,579/x
  3. Step 3: Cross multiply
    88,323x = 121,887.66 × 48,579
  4. Step 4: Simplify right side
    88,323x = 5,921,180,635.14
  5. Step 5: Solve for x
    x = 5,921,180,635.14/88,323
  6. Step 6: Final answer
    x = 67,040.08

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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.