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Finding the Fourth Proportional to 250,073.16, 345,100.96 and 136,895.91

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Solution

The fourth proportional to 250,073.16, 345,100.96 and 136,895.91 is: 188,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,073.16 : 345,100.96 = 136,895.91 : x
  2. Step 2: Convert to fraction form
    250,073.16/345,100.96 = 136,895.91/x
  3. Step 3: Cross multiply
    250,073.16x = 345,100.96 × 136,895.91
  4. Step 4: Simplify right side
    250,073.16x = 47,242,908,068.03
  5. Step 5: Solve for x
    x = 47,242,908,068.03/250,073.16
  6. Step 6: Final answer
    x = 188,916.35

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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.