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Finding the Fourth Proportional to 348,681.16, 522,572.14 and 168,724.32

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Solution

The fourth proportional to 348,681.16, 522,572.14 and 168,724.32 is: 252,868.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,681.16 : 522,572.14 = 168,724.32 : x
  2. Step 2: Convert to fraction form
    348,681.16/522,572.14 = 168,724.32/x
  3. Step 3: Cross multiply
    348,681.16x = 522,572.14 × 168,724.32
  4. Step 4: Simplify right side
    348,681.16x = 88,170,628,972.44
  5. Step 5: Solve for x
    x = 88,170,628,972.44/348,681.16
  6. Step 6: Final answer
    x = 252,868.92

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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.