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Finding the Fourth Proportional to 186,554.52, 257,446.44 and 101,671.77

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Solution

The fourth proportional to 186,554.52, 257,446.44 and 101,671.77 is: 140,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,554.52 : 257,446.44 = 101,671.77 : x
  2. Step 2: Convert to fraction form
    186,554.52/257,446.44 = 101,671.77/x
  3. Step 3: Cross multiply
    186,554.52x = 257,446.44 × 101,671.77
  4. Step 4: Simplify right side
    186,554.52x = 26,175,035,235.00
  5. Step 5: Solve for x
    x = 26,175,035,235.00/186,554.52
  6. Step 6: Final answer
    x = 140,307.70

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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.