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Finding the Fourth Proportional to 186,167.99, 256,916.27 and 105,600.95

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Solution

The fourth proportional to 186,167.99, 256,916.27 and 105,600.95 is: 145,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,167.99 : 256,916.27 = 105,600.95 : x
  2. Step 2: Convert to fraction form
    186,167.99/256,916.27 = 105,600.95/x
  3. Step 3: Cross multiply
    186,167.99x = 256,916.27 × 105,600.95
  4. Step 4: Simplify right side
    186,167.99x = 27,130,601,654.45
  5. Step 5: Solve for x
    x = 27,130,601,654.45/186,167.99
  6. Step 6: Final answer
    x = 145,731.83

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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.