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Finding the Fourth Proportional to 244,647.60, 366,971.40 and 164,931.45

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Solution

The fourth proportional to 244,647.60, 366,971.40 and 164,931.45 is: 247,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,647.60 : 366,971.40 = 164,931.45 : x
  2. Step 2: Convert to fraction form
    244,647.60/366,971.40 = 164,931.45/x
  3. Step 3: Cross multiply
    244,647.60x = 366,971.40 × 164,931.45
  4. Step 4: Simplify right side
    244,647.60x = 60,525,125,110.53
  5. Step 5: Solve for x
    x = 60,525,125,110.53/244,647.60
  6. Step 6: Final answer
    x = 247,397.18

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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.