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Finding the Fourth Proportional to 136,670.90, 205,006.35 and 136,670.90

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Solution

The fourth proportional to 136,670.90, 205,006.35 and 136,670.90 is: 205,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,670.90 : 205,006.35 = 136,670.90 : x
  2. Step 2: Convert to fraction form
    136,670.90/205,006.35 = 136,670.90/x
  3. Step 3: Cross multiply
    136,670.90x = 205,006.35 × 136,670.90
  4. Step 4: Simplify right side
    136,670.90x = 28,018,402,360.22
  5. Step 5: Solve for x
    x = 28,018,402,360.22/136,670.90
  6. Step 6: Final answer
    x = 205,006.35

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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.