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Finding the Fourth Proportional to 72,503.84, 100,047.48 and 41,875.04

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Solution

The fourth proportional to 72,503.84, 100,047.48 and 41,875.04 is: 57,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,503.84 : 100,047.48 = 41,875.04 : x
  2. Step 2: Convert to fraction form
    72,503.84/100,047.48 = 41,875.04/x
  3. Step 3: Cross multiply
    72,503.84x = 100,047.48 × 41,875.04
  4. Step 4: Simplify right side
    72,503.84x = 4,189,492,226.90
  5. Step 5: Solve for x
    x = 4,189,492,226.90/72,503.84
  6. Step 6: Final answer
    x = 57,783.04

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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.