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Finding the Fourth Proportional to 105,325.56, 157,999.86 and 38,797.56

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Solution

The fourth proportional to 105,325.56, 157,999.86 and 38,797.56 is: 58,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,325.56 : 157,999.86 = 38,797.56 : x
  2. Step 2: Convert to fraction form
    105,325.56/157,999.86 = 38,797.56/x
  3. Step 3: Cross multiply
    105,325.56x = 157,999.86 × 38,797.56
  4. Step 4: Simplify right side
    105,325.56x = 6,130,009,048.34
  5. Step 5: Solve for x
    x = 6,130,009,048.34/105,325.56
  6. Step 6: Final answer
    x = 58,200.58

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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.