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Finding the Fourth Proportional to 255,503.16, 352,516.32 and 148,052.46

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Solution

The fourth proportional to 255,503.16, 352,516.32 and 148,052.46 is: 204,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,503.16 : 352,516.32 = 148,052.46 : x
  2. Step 2: Convert to fraction form
    255,503.16/352,516.32 = 148,052.46/x
  3. Step 3: Cross multiply
    255,503.16x = 352,516.32 × 148,052.46
  4. Step 4: Simplify right side
    255,503.16x = 52,190,908,366.15
  5. Step 5: Solve for x
    x = 52,190,908,366.15/255,503.16
  6. Step 6: Final answer
    x = 204,267.17

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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.