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Finding the Fourth Proportional to 524,037.04, 786,092.94 and 139,783.75

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Solution

The fourth proportional to 524,037.04, 786,092.94 and 139,783.75 is: 209,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,037.04 : 786,092.94 = 139,783.75 : x
  2. Step 2: Convert to fraction form
    524,037.04/786,092.94 = 139,783.75/x
  3. Step 3: Cross multiply
    524,037.04x = 786,092.94 × 139,783.75
  4. Step 4: Simplify right side
    524,037.04x = 109,883,017,036.49
  5. Step 5: Solve for x
    x = 109,883,017,036.49/524,037.04
  6. Step 6: Final answer
    x = 209,685.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.