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Finding the Fourth Proportional to 88,038.84, 121,492.89 and 47,752.50

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Solution

The fourth proportional to 88,038.84, 121,492.89 and 47,752.50 is: 65,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,038.84 : 121,492.89 = 47,752.50 : x
  2. Step 2: Convert to fraction form
    88,038.84/121,492.89 = 47,752.50/x
  3. Step 3: Cross multiply
    88,038.84x = 121,492.89 × 47,752.50
  4. Step 4: Simplify right side
    88,038.84x = 5,801,589,229.73
  5. Step 5: Solve for x
    x = 5,801,589,229.73/88,038.84
  6. Step 6: Final answer
    x = 65,898.07

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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.