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Finding the Fourth Proportional to 185,777.63, 256,374.43 and 100,894.69

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Solution

The fourth proportional to 185,777.63, 256,374.43 and 100,894.69 is: 139,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,777.63 : 256,374.43 = 100,894.69 : x
  2. Step 2: Convert to fraction form
    185,777.63/256,374.43 = 100,894.69/x
  3. Step 3: Cross multiply
    185,777.63x = 256,374.43 × 100,894.69
  4. Step 4: Simplify right side
    185,777.63x = 25,866,817,356.90
  5. Step 5: Solve for x
    x = 25,866,817,356.90/185,777.63
  6. Step 6: Final answer
    x = 139,235.38

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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.