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Finding the Fourth Proportional to 185,762.58, 256,352.33 and 105,190.08

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Solution

The fourth proportional to 185,762.58, 256,352.33 and 105,190.08 is: 145,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,762.58 : 256,352.33 = 105,190.08 : x
  2. Step 2: Convert to fraction form
    185,762.58/256,352.33 = 105,190.08/x
  3. Step 3: Cross multiply
    185,762.58x = 256,352.33 × 105,190.08
  4. Step 4: Simplify right side
    185,762.58x = 26,965,720,293.17
  5. Step 5: Solve for x
    x = 26,965,720,293.17/185,762.58
  6. Step 6: Final answer
    x = 145,162.29

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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.