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Finding the Fourth Proportional to 74,061.84, 102,099.06 and 52,804.20

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Solution

The fourth proportional to 74,061.84, 102,099.06 and 52,804.20 is: 72,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,061.84 : 102,099.06 = 52,804.20 : x
  2. Step 2: Convert to fraction form
    74,061.84/102,099.06 = 52,804.20/x
  3. Step 3: Cross multiply
    74,061.84x = 102,099.06 × 52,804.20
  4. Step 4: Simplify right side
    74,061.84x = 5,391,259,184.05
  5. Step 5: Solve for x
    x = 5,391,259,184.05/74,061.84
  6. Step 6: Final answer
    x = 72,794.02

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1.5x scale

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.