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Finding the Fourth Proportional to 228,352.57, 342,561.65 and 70,593.32

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Solution

The fourth proportional to 228,352.57, 342,561.65 and 70,593.32 is: 105,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,352.57 : 342,561.65 = 70,593.32 : x
  2. Step 2: Convert to fraction form
    228,352.57/342,561.65 = 70,593.32/x
  3. Step 3: Cross multiply
    228,352.57x = 342,561.65 × 70,593.32
  4. Step 4: Simplify right side
    228,352.57x = 24,182,564,178.18
  5. Step 5: Solve for x
    x = 24,182,564,178.18/228,352.57
  6. Step 6: Final answer
    x = 105,900.12

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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.