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Finding the Fourth Proportional to 103,601.73, 155,402.63 and 46,609.05

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Solution

The fourth proportional to 103,601.73, 155,402.63 and 46,609.05 is: 69,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601.73 : 155,402.63 = 46,609.05 : x
  2. Step 2: Convert to fraction form
    103,601.73/155,402.63 = 46,609.05/x
  3. Step 3: Cross multiply
    103,601.73x = 155,402.63 × 46,609.05
  4. Step 4: Simplify right side
    103,601.73x = 7,243,168,718.76
  5. Step 5: Solve for x
    x = 7,243,168,718.76/103,601.73
  6. Step 6: Final answer
    x = 69,913.59

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1.5x scale

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.