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Finding the Fourth Proportional to 247,869.84, 342,060.12 and 134,692.32

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Solution

The fourth proportional to 247,869.84, 342,060.12 and 134,692.32 is: 185,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,869.84 : 342,060.12 = 134,692.32 : x
  2. Step 2: Convert to fraction form
    247,869.84/342,060.12 = 134,692.32/x
  3. Step 3: Cross multiply
    247,869.84x = 342,060.12 × 134,692.32
  4. Step 4: Simplify right side
    247,869.84x = 46,072,871,142.28
  5. Step 5: Solve for x
    x = 46,072,871,142.28/247,869.84
  6. Step 6: Final answer
    x = 185,875.26

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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.