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Finding the Fourth Proportional to 175,041.60, 262,465.20 and 69,741.60

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Solution

The fourth proportional to 175,041.60, 262,465.20 and 69,741.60 is: 104,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,041.60 : 262,465.20 = 69,741.60 : x
  2. Step 2: Convert to fraction form
    175,041.60/262,465.20 = 69,741.60/x
  3. Step 3: Cross multiply
    175,041.60x = 262,465.20 × 69,741.60
  4. Step 4: Simplify right side
    175,041.60x = 18,304,742,992.32
  5. Step 5: Solve for x
    x = 18,304,742,992.32/175,041.60
  6. Step 6: Final answer
    x = 104,573.67

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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.