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Finding the Fourth Proportional to 135,477.96, 186,957.24 and 75,047.34

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Solution

The fourth proportional to 135,477.96, 186,957.24 and 75,047.34 is: 103,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,477.96 : 186,957.24 = 75,047.34 : x
  2. Step 2: Convert to fraction form
    135,477.96/186,957.24 = 75,047.34/x
  3. Step 3: Cross multiply
    135,477.96x = 186,957.24 × 75,047.34
  4. Step 4: Simplify right side
    135,477.96x = 14,030,643,555.74
  5. Step 5: Solve for x
    x = 14,030,643,555.74/135,477.96
  6. Step 6: Final answer
    x = 103,564.03

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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.