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Finding the Fourth Proportional to 243,999.41, 336,715.88 and 136,569.41

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Solution

The fourth proportional to 243,999.41, 336,715.88 and 136,569.41 is: 188,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,999.41 : 336,715.88 = 136,569.41 : x
  2. Step 2: Convert to fraction form
    243,999.41/336,715.88 = 136,569.41/x
  3. Step 3: Cross multiply
    243,999.41x = 336,715.88 × 136,569.41
  4. Step 4: Simplify right side
    243,999.41x = 45,985,086,702.80
  5. Step 5: Solve for x
    x = 45,985,086,702.80/243,999.41
  6. Step 6: Final answer
    x = 188,463.93

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1.5x scale

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.