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Finding the Fourth Proportional to 105,636.78, 158,460.95 and 26,751.69

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Solution

The fourth proportional to 105,636.78, 158,460.95 and 26,751.69 is: 40,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,636.78 : 158,460.95 = 26,751.69 : x
  2. Step 2: Convert to fraction form
    105,636.78/158,460.95 = 26,751.69/x
  3. Step 3: Cross multiply
    105,636.78x = 158,460.95 × 26,751.69
  4. Step 4: Simplify right side
    105,636.78x = 4,239,098,211.51
  5. Step 5: Solve for x
    x = 4,239,098,211.51/105,636.78
  6. Step 6: Final answer
    x = 40,129.00

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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.