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Finding the Fourth Proportional to 228,085.30, 342,127.95 and 134,773.30

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Solution

The fourth proportional to 228,085.30, 342,127.95 and 134,773.30 is: 202,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,085.30 : 342,127.95 = 134,773.30 : x
  2. Step 2: Convert to fraction form
    228,085.30/342,127.95 = 134,773.30/x
  3. Step 3: Cross multiply
    228,085.30x = 342,127.95 × 134,773.30
  4. Step 4: Simplify right side
    228,085.30x = 46,109,712,843.74
  5. Step 5: Solve for x
    x = 46,109,712,843.74/228,085.30
  6. Step 6: Final answer
    x = 202,159.95

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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.