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Finding the Fourth Proportional to 288,295.95, 432,485.27 and 88,633.10

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Solution

The fourth proportional to 288,295.95, 432,485.27 and 88,633.10 is: 132,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,295.95 : 432,485.27 = 88,633.10 : x
  2. Step 2: Convert to fraction form
    288,295.95/432,485.27 = 88,633.10/x
  3. Step 3: Cross multiply
    288,295.95x = 432,485.27 × 88,633.10
  4. Step 4: Simplify right side
    288,295.95x = 38,332,507,578.85
  5. Step 5: Solve for x
    x = 38,332,507,578.85/288,295.95
  6. Step 6: Final answer
    x = 132,962.35

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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.