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Finding the Fourth Proportional to 136,801.59, 205,233.98 and 43,307.34

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Solution

The fourth proportional to 136,801.59, 205,233.98 and 43,307.34 is: 64,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,801.59 : 205,233.98 = 43,307.34 : x
  2. Step 2: Convert to fraction form
    136,801.59/205,233.98 = 43,307.34/x
  3. Step 3: Cross multiply
    136,801.59x = 205,233.98 × 43,307.34
  4. Step 4: Simplify right side
    136,801.59x = 8,888,137,534.88
  5. Step 5: Solve for x
    x = 8,888,137,534.88/136,801.59
  6. Step 6: Final answer
    x = 64,971.01

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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.